WikiFunctions.Parse.HideText ht = new WikiFunctions.Parse.HideText(true, false, true);

        public string ProcessArticle(string ArticleText, string ArticleTitle, int wikiNamespace, out string Summary, out bool Skip)
        {
Skip = false;
Summary = "";

ArticleText = ht.Hide(ArticleText);

//year: temporary change to protect band '4AD'. Undone below
ArticleText = Regex.Replace(ArticleText, @"\[\[4AD\]\]", "[[xx4ADxx]]");

// century
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[((?:first|second|third|fourth|fifth|sixth|seventh|eighth|ninth|tenth|eleventh|twelfth|thirteenth|fourteenth|fifteenth|sixteenth|seventeenth|eighteenth|nineteenth|twentieth|twenty(?: |-)first)(?: |-))century\]\]", "$1century");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[((?:first|second|third|fourth|fifth|sixth|seventh|eighth|ninth|tenth|eleventh|twelfth|thirteenth|fourteenth|fifteenth|sixteenth|seventeenth|eighteenth|nineteenth|twentieth|twenty(?: |-)first)(?: |-))century (AD|BC|CE|BCE)\]\]", "$1century");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(\d{1,2}(?:st|nd|rd|th)(?: |-))century\]\]", "$1century");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(\d{1,2}(?:st|nd|rd|th)(?: |-))centuries\]\]", "$1centuries");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[\d{1,2}(?:st|nd|rd|th)(?: |-)century\|(\d{1,2}(?:st|nd|rd|th))\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[\d{1,2}(?:st|nd|rd|th)(?: |-)century\|(\d{1,2}(?:st|nd|rd|th)(?: |-))century\]\]", "$1century");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[\d{1,2}(?:st|nd|rd|th)(?: |-)century\|(\d{1,2}(?:st|nd|rd|th)(?: |-))centuries\]\]", "$1centuries");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(\d{1,2}(?:st|nd|rd|th)(?: |-))century (AD|BC|CE|BCE)\]\]", "$1century $2");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[\d{1,2}(?:st|nd|rd|th)(?: |-)century\|(\d{1,2}(?:st|nd|rd|th)(?: |-))century (AD|BC|CE|BCE)\]\]", "$1century $2");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[\d{1,2}(?:st|nd|rd|th)(?: |-)century\|(\d{1,2}(?:st|nd|rd|th)(?: |-))centuries (AD|BC|CE|BCE)\]\]", "$1centuries $2");

// decades and years
ArticleText = Regex.Replace(ArticleText, @"\[\[(\d{1,4})\'?s\]\]", "$1s");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(\d{1,4})\'?(s)? ?(AD|BC|CE|BCE)\]\]", "$1$2 $3");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[\d{1,4}\'?s? ?(?:AD|BC|CE|BCE)\|(\d{1,4})\'?(s)?\]\]", "$1$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[\d{1,4}\'?s? ?(?:AD|BC|CE|BCE)\|(\d{1,4})\'?(s)? ?(AD|BC|CE|BCE)\]\]", "$1$2 $3");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[\d{1,4}\'?s?\|(\d{1,4})\'?(s)? ?(AD|BC|CE|BCE)\]\]", "$1$2 $3");
ArticleText = Regex.Replace(ArticleText, @"\[\[\d{1,4}\'?s?\|(\d{1,4})\'?(s)?\]\]", "$1$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[\d\d?(?:st|nd|rd|th) centur(?:y|ies)\|(\d{1,4})\'?(s)?\]\]", "$1$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[\w{5,12} centur(?:y|ies)\|(\d{1,4})\'?(s)?\]\]", "$1$2");

// solitary day_numbers
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(?:January|February|March|April|May|June|July|August|September|October|November|December) \d{1,2}\|(\d{1,2}(?:st|nd|rd|th))\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[\d{1,2} (?:January|February|March|April|May|June|July|August|September|October|November|December)\|(\d{1,2}(?:st|nd|rd|th))\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(\d{1,2}(?:st|nd|rd|th))\]\]", "$1");

//Month+day_number "March 7th" -> "March 7"
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(January|February|March|April|May|June|July|August|September|October|November|December) (\d?\d)(?:st|nd|rd|th)\]\]", "[[$1 $2]]");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[((?:January|February|March|April|May|June|July|August|September|October|November|December) \d?\d)\]\](?:st|nd|rd|th)", "[[$1]]");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(\d?\d)(?:st|nd|rd|th) (January|February|March|April|May|June|July|August|September|October|November|December)\]\]", "[[$1 $2]]");

//Month + year
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[((?:January|February|March|April|May|June|July|August|September|October|November|December) \d{3,4})\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(\d{3,4} (?:January|February|March|April|May|June|July|August|September|October|November|December))\]\]", "$1");

//remove piped years
//protect some
ArticleText = Regex.Replace(ArticleText, @"(?i)(\[\[\d{1,4} in) ((?:baseball|film|literature|comics)\|\d{1,4}\]\])",  "$1xx$2");
//now removed the piped years
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[\d{1,4} in [^\|]+\|(\d{1,4})\]\]",  "[[$1]]");
//unprotect baseball and film
ArticleText = Regex.Replace(ArticleText, @"(?i)(\[\[\d{1,4} in)xx((?:baseball|film|literature|comics)\|\d{1,4}\]\])",  "$1 $2");

//'present'
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[Present \(time\)\|(Present)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(Present)\]\]", "$1");

//Season
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(spring \(season\)|summer|winter|autumn)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[spring \(season\)\|(spring)\]\]", "$1");

//Identify surprise or 'Easter egg' diversions linking months to year articles.
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[\d{1,4}#[^\|]+\|(January|February|March|April|May|June|July|August|September|October|November|December)\]\]", "$1");

//'As of year'
ArticleText = Regex.Replace(ArticleText, @"(?i)(As of )\[\[(\d{1,4})\]\]", "$1$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(As of \d{1,4})\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(as of \d{1,4})\]\]", "$1");

// months
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(January|February|March|April|May|June|July|August|September|October|November|December)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(?:January|February|March|April|May|June|July|August|September|October|November|December)\|(January|February|March|April|May|June|July|August|September|October|November|December)\]\]", "$1");
//Treat 'Sept' (i.e. month abbreviation) differently from 'sept' (i.e. family)
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(Sept)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[January\|(Jan)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[February\|(Feb)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[March\|(Mar)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[April\|(Apr)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[May\|(May)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[June\|(Jun)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[July\|(Jul)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[August\|(Aug)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[September\|(Sep)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[October\|(Oct)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[November\|(Nov)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[December\|(Dec)\]\]", "$1");

//month piped to number
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(?:January|February|March|April|May|June|July|August|September|October|November|December)\|(\d{1,4})\]\]", "$1");

//month piped to number
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(?:January|February|March|April|May|June|July|August|September|October|November|December)\|(\d{1,4})\]\]", "$1");

//Month+day_number piped into number. Preferences do not work. They don't work in sequence because digits in the two dates must be adjacent
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\[]{4})\[\[((?:January|February|March|April|May|June|July|August|September|October|November|December) \d?\d)\]\]( ?\-? ?)\[\[(?:January|February|March|April|May|June|July|August|September|October|November|December) \d{1,2}\|(\d{1,2})\]\]", "$1$2$3$4");
//same again but with ndash or mdash instead of hyphen
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\[]{4})\[\[((?:January|February|March|April|May|June|July|August|September|October|November|December) \d?\d)\]\]( ?&[nm]dash; ?)\[\[(?:January|February|March|April|May|June|July|August|September|October|November|December) \d{1,2}\|(\d{1,2})\]\]", "$1$2$3$4");
//same again but with slash instead of hyphen
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\[]{4})\[\[((?:January|February|March|April|May|June|July|August|September|October|November|December) \d?\d)\]\](\/)\[\[(?:January|February|March|April|May|June|July|August|September|October|November|December) \d{1,2}\|(\d{1,2})\]\]", "$1$2$3$4");

ArticleText = Regex.Replace(ArticleText, @"(?i)([^\[]{4})\[\[((?:January|February|March|April|May|June|July|August|September|October|November|December) \d?\d)\]\]( ?\-? ?)\[\[(\d{1,2})\]\]", "$1$2$3$4");
//same again but with ndash instead of hyphen
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\[]{4})\[\[((?:January|February|March|April|May|June|July|August|September|October|November|December) \d?\d)\]\]( ?&[nm]dash; ?)\[\[(\d{1,2})\]\]", "$1$2$3$4");
//same again but with slash instead of hyphen
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\[]{4})\[\[((?:January|February|March|April|May|June|July|August|September|October|November|December) \d?\d)\]\](\/)\[\[(\d{1,2})\]\]", "$1$2$3$4");

ArticleText = Regex.Replace(ArticleText, @"(?i)([^\[]{4})\[\[(\d?\d) (?:January|February|March|April|May|June|July|August|September|October|November|December)\]\]( ?\-? ?)\[\[(?:January|February|March|April|May|June|July|August|September|October|November|December) \d{1,2}\|(\d{1,2})\]\]", "$1$2$3$4");
//same again but with ndash instead of hyphen
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\[]{4})\[\[(\d?\d) (?:January|February|March|April|May|June|July|August|September|October|November|December)\]\]( ?&[nm]dash; ?)\[\[(?:January|February|March|April|May|June|July|August|September|October|November|December) \d{1,2}\|(\d{1,2})\]\]", "$1$2$3$4");
//same again but with slash instead of hyphen
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\[]{4})\[\[(\d?\d) (?:January|February|March|April|May|June|July|August|September|October|November|December)\]\](\/)\[\[(?:January|February|March|April|May|June|July|August|September|October|November|December) \d{1,2}\|(\d{1,2})\]\]", "$1$2$3$4");

ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(?:January|February|March|April|May|June|July|August|September|October|November|December) \d{1,2}\|(\d{1,2})\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[\d{1,2} (?:January|February|March|April|May|June|July|August|September|October|November|December)\|(\d{1,2})\]\]", "$1");

ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(?:January|February|March|April|May|June|July|August|September|October|November|December) \d{1,2}\|((?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) \d{1,2})\]\]", "$1");
//month+day piped into month+day or vice versa
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[\d{1,2} (?:January|February|March|April|May|June|July|August|September|October|November|December)\|((?:January|February|March|April|May|June|July|August|September|October|November|December) \d{1,2})\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(?:January|February|March|April|May|June|July|August|September|October|November|December) \d{1,2}\|(\d{1,2} (?:January|February|March|April|May|June|July|August|September|October|November|December))\]\]", "$1");


// days of the week in full. Optional plurals
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(Mondays?|Tuesdays?|Wednesdays?|Thursdays?|Fridays?|Saturdays?|Sundays?)\]\]", "$1");
// days of the week abbreviated. Leave out 'Sun' as potentially valid link to the Sun. Leave out 'SAT' in upper case as potential link to 'Scholastic achievement/aptitude test'.
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(Mon|Tue|Tues|Wed|Thu|Thur|Thurs|Fri)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"\[\[(Sat)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[Mondays?\|(Mondays?|Mon)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[Tuesdays?\|(Tuesdays?|Tues?)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[Wednesdays?\|(Wednesdays?|Wed)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[Thursdays?\|(Thursdays?|Thur?)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[Fridays?\|(Fridays?|Fri)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[Saturdays?\|(Saturdays?|Sat)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[Sundays?\|(Sundays?|Sun)\]\]", "$1");

//4 digit years piped into 2
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[\d{1,4}\|(\d{1,2})\]\]", "$1");

//year: temporary change to protect accessyear. Undone below at #1
ArticleText = Regex.Replace(ArticleText, @"(?i)(accessyear ?= ?)\[\[(\d{1,4})\]\]", "$1xx$2xx");
//Year: temporary change to protext preference dates - y?y?y?. Needed to handle 'year in' piped links
ArticleText = Regex.Replace(ArticleText, @"(?i)(\[\[\d\d? (?:January|February|March|April|May|June|July|August|September|October|November|December)\]\],? ? ?)\[\[(\d{1,4})\]\]y?y?y?",  "$1xx$2xx");
ArticleText = Regex.Replace(ArticleText, @"(?i)(\[\[\d\d? (?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\]\],? ? ?)\[\[(\d{1,4})\]\]y?y?y?",  "$1xx$2xx");
ArticleText = Regex.Replace(ArticleText, @"(?i)(\[\[(?:January|February|March|April|May|June|July|August|September|October|November|December) \d\d?\]\],? ? ?)\[\[(\d{1,4})\]\]y?y?y?",  "$1xx$2xx");
ArticleText = Regex.Replace(ArticleText, @"(?i)(\[\[(?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) \d\d?\]\],? ? ?)\[\[(\d{1,4})\]\]y?y?y?",  "$1xx$2xx");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(\d{1,4})\]\]y?y?y?(,? ?\-? ?\[\[(?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) \d\d?\]\])",  "xx$1xx$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(\d{1,4})\]\]y?y?y?(,? ?\-? ?\[\[(?:January|February|March|April|May|June|July|August|September|October|November|December) \d\d?\]\])",  "xx$1xx$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(\d{1,4})\]\]y?y?y?(,? ?\-? ?\[\[\d\d? (?:January|February|March|April|May|June|July|August|September|October|November|December)\]\])",  "xx$1xx$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(\d{1,4})\]\]y?y?y?(,? ?\-? ?\[\[\d\d\-\d\d\]\]y?y?y?)",  "xx$1xx$2");

//year: now remove unprotected linked years
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(\d{1,4})\]\]", "$1");
//year: #1. Undo temporary change to protect accessyear and date preference dates
ArticleText = Regex.Replace(ArticleText, @"(?i)xx(\d{1,4})xx", "[[$1]]");

//year: unprotect band '4AD'.
ArticleText = Regex.Replace(ArticleText, @"\[\[xx4ADxx\]\]", "[[4AD]]");

//remove flagicons from birth and death
ArticleText = Regex.Replace(ArticleText, @"(?i)(birth ?= ?)\{\{flagicon\|[^\}]+\}\}", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)(death ?= ?)\{\{flagicon\|[^\}]+\}\}", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)(birth_?place ?= ?)\{\{flagicon\|[^\}]+\}\}", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)(death_?place ?= ?)\{\{flagicon\|[^\}]+\}\}", "$1");

//symbol for superscript 2 and 3
//ArticleText = Regex.Replace(ArticleText, @"(?i)<sup>2<\/sup>", "²");
//ArticleText = Regex.Replace(ArticleText, @"(?i)<sup>3<\/sup>", "³");

//delink common units
ArticleText = Regex.Replace(ArticleText, @"(?i)({convert\|[\d\.]*\|(?:mm|mm2|mm3|cm|cm2|cm3|m|m2|m3|km|km2|km3|g|kg|mL|L|in|in2|in3|ft|sqft|ft2|cuft|ft3|yd|sqyd|yd2|cuyd|yd3|mi|sqmi|mi2|cumi|mi3|acre|nmi|lb|USgal)\|[^\}]*)\|lk=(?:on|in|out)", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)({convert\|[^\}]*)\|lk=off", "$1");


// Convert degree symbols into ° symbol, ensure preceding space
ArticleText = Regex.Replace(ArticleText, @"(?i)&deg;", "°");
ArticleText = Regex.Replace(ArticleText, @"(?i)º", "°");

//aviation specifications: protect "main=" and "alt=" - undone below
ArticleText = Regex.Replace(ArticleText, @"(?i)((?:main|alt) ?= ?)(\d)", "$1xx$2");

// Celsius spelling errors
ArticleText = Regex.Replace(ArticleText, @"(?i)celsius", "Celsius");
ArticleText = Regex.Replace(ArticleText, @"(?i)celcius", "Celsius");
//Fix common naming error (be careful with this one)
ArticleText = Regex.Replace(ArticleText, @"(?i)centigrade", "Celsius");
//Celsius or Fahrenheit
ArticleText = Regex.Replace(ArticleText, @"(?i)(?:°|deg\.?|degrees)(?: |&nbsp;|)(C|F)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "°$1$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)(?:°|deg\.?)(?:&nbsp| |)Celsius([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "°C$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)(\d)°\[\[", "$1 °[[");
ArticleText = Regex.Replace(ArticleText, @"(?i)(\d)(\[\[Celsius|°C\]\])", "$1 $2");
ArticleText = Regex.Replace(ArticleText, @"(?i)(\d)(\[\[Fahrenheit|°F\]\])", "$1 $2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(-?\d[\d,\.]*)(?: |-|&nbsp;|)°F([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|°F|°C|abbr=on}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(-?\d[\d,\.]*)(?: |-|&nbsp;|)(?:deg|degree|degrees)(?: |-|&nbsp;|)Fahrenheit([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|°F|°C}}$3");

// Convert &sup to superscript
ArticleText = Regex.Replace(ArticleText, @"(?i)&sup2;", "²");
ArticleText = Regex.Replace(ArticleText, @"(?i)&sup3;", "³");

//metre
//delink this common unit
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(metres|meters|metre|meter)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(?:metres|meters|metre|meter)\|(m)\]\]", "$1");
//space before "m" only when lower case. Check for dollars and pounds to avoid "m" used for millions in money.
ArticleText = Regex.Replace(ArticleText, @"([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|)m([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1$2 m$3");
//convert "metres" to "m" when in parentheses
ArticleText = Regex.Replace(ArticleText, @"(?i)(\(\d[\d,\.]*)(?: |-|)(?:metres|meters|metre|meter)(\))", "$1 m$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)(\(\d[\d,\.]*)&nbsp;(?:metres|meters|metre|meter)(\))", "$1&nbsp;m$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)({convert\|\d+\|(?:m|ft)\|[^\}]*)\|lk=(?:on|in|out)", "$1");

//metre per second
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|)(?:m\/second|m\/sec)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1$2 m/s$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)&nbsp;(?:m\/second|m\/sec)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1$2&nbsp;m/s$3");

//square metre
ArticleText = Regex.Replace(ArticleText, @"(?i)(\d)(?: |-|&nbsp;|)sq(?: |\. |-|&nbsp;)m([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 m²$2");
//remove period when followed by close parenthesis character
ArticleText = Regex.Replace(ArticleText, @"(?i)({convert\|\d+\|(?:sqm|sqft)[^\}]*)\|lk=(?:on|in|out)", "$1");

// millimetre
//delink this common unit
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(milli(?:metres|meters|metre|meter))\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[milli(?:metres|meters|metre|meter)\|(mm)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|)mm([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1$2 mm$3");

// centimetre, cubic centimetre
//delink this common unit
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(centi(?:metres|meters|metre|meter))\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[centi(?:metres|meters|metre|meter)\|(cm)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|)(cm|cc)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1$2 $3$4");

// kilometre
//delink this common unit
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(kilo(?:metres|meters|metre|meter))\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[kilo(?:metres|meters|metre|meter)\|(km)\]\]", "$1");
//delink this common unit
ArticleText = Regex.Replace(ArticleText, @"(?i)({convert\|\d+\|(?:mi|km)[^\}]*)\|lk=(?:on|in|out)", "$1");

//square kilometre
//delink this common unit
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(km²)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[square kilomet..\|(km²)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\|])sq\.?(?: |-|&nbsp;|)kms?", "$1km²");
ArticleText = Regex.Replace(ArticleText, @"(?i)({convert\|\d+\|(?:sqkm|sqmi|km2|mi2)[^\}]*)\|lk=(?:on|in|out)", "$1");

//kilometre per second
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|)(?:km\/second|km\/sec)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1$2 km/s$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)&nbsp;(?:km\/second|km\/sec)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1$2&nbsp;km/s$3");

// kilometre per hour
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|)(?:km\/hr|km\/ph|kph|kmph|kmh)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1$2 km/h$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)&nbsp;(?:km\/hr|km\/ph|kph|kmph|kmh)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1$2&nbsp;km/h$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|)\[\[(?:km\/hr|km\/ph|kph|kmph|kmh)\]\]([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1$2 km/h$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)&nbsp;\[\[(?:km\/hr|km\/ph|kph|kmph|kmh)\]\]([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1$2&nbsp;km/h$3");

//millilitre
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|)(ml)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1$2 $3$4");

// ensure spaces and correct case in kilowatt
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|)kW([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1$2 kW$3");

// ensure spaces and correct case in hertz
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|)Hz([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1$2 Hz$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|)kHz([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1$2 kHz$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|)GHz([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1$2 GHz$3");
// ensure spaces in megahertz. Must be upper case to avoid clashing with millihertz
ArticleText = Regex.Replace(ArticleText, @"([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|)MHz([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1$2 MHz$3");

// frames per second
ArticleText = Regex.Replace(ArticleText, @"(?i)frames\/s(\W)", "frame/s$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)frames\/sec(\W)", "frame/s$1");

// kilogram
ArticleText = Regex.Replace(ArticleText, @"(?i)kilogrammes", "kilograms");
ArticleText = Regex.Replace(ArticleText, @"(?i)kilogramme", "kilogram");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(kilograms?)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[kilograms?\|(kg|kilograms?)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|)grammes([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1$2 grams$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|)gramme([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1$2 gram$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|)(?:kgs?|\[\[kg\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1$2 kg$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)({convert\|\d+\|(?:kg|lb)[^\}]*)\|lk=(?:on|in|out)", "$1");

//foot
//delink this common unit
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(foot|feet|ft)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(?:foot|feet|ft|foot)\|(foot|feet|ft)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[foot \((?:unit|length|unit of length)\)\|(foot|feet|ft)\]\]", "$1");

//convert "foot" to "ft" when in parentheses
ArticleText = Regex.Replace(ArticleText, @"(?i)(\(\d[\d,\.]*)(?: |-|)(?:feet|foot)(\))", "$1 ft$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)(\(\d[\d,\.]*)&nbsp;(?:feet|foot)(\))", "$1&nbsp;ft$2");

//remove trailing period when in parentheses
ArticleText = Regex.Replace(ArticleText, @"(?i)(\(\d[\d,\.]*)(?: |-|)ft\.(\))", "$1 ft$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)(\(\d[\d,\.]*)&nbsp;ft\.(\))", "$1&nbsp;ft$2");

// square foot
//convert "sq foot" to "sq ft"
ArticleText = Regex.Replace(ArticleText, @"(?i)(\d)( |-)sq\.?( |-|)(feet|foot|ft)", "$1 sq ft");
ArticleText = Regex.Replace(ArticleText, @"(?i)(\d)&nbsp;sq\.?&nbsp;(feet|foot|ft)", "$1&nbsp;sq&nbsp;ft");
//convert "square ft" to "sq ft"
ArticleText = Regex.Replace(ArticleText, @"(?i)(\d)( |-)square( |-)ft", "$1 sq ft");
ArticleText = Regex.Replace(ArticleText, @"(?i)(\d)&nbsp;square&nbsp;ft", "$1&nbsp;sq&nbsp;ft");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)sq(?: |-|&nbsp;|)ft([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|sqft|m2|abbr=on}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)square(?: |-|&nbsp;|)feet([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|sqft|m2}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)square(?: |-|&nbsp;|)foot([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|sqft|m2|sing=on}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)thousand(?: |-|&nbsp;|)(?:sq|square)\.?(?: |-|&nbsp;|)ft([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2,000|sqft|m2|abbr=on}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)thousand(?: |-|&nbsp;|)(?:sq|square)\.?(?: |-|&nbsp;|)feet([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2,000|sqft|m2}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)thousand(?: |-|&nbsp;|)(?:sq|square)\.?(?: |-|&nbsp;|)foot([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2,000|sqft|m2|sing=on}}$3");
 
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)million(?: |-|&nbsp;|)(?:sq|square)\.?(?: |-|&nbsp;|)ft([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2,000000|sqft|m2|abbr=on}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)\.(\d)(?: |-|&nbsp;|)million(?: |-|&nbsp;|)(?:sq|square)\.?(?: |-|&nbsp;|)ft([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3,00000|sqft|m2|abbr=on}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)\.(\d\d)(?: |-|&nbsp;|)million(?: |-|&nbsp;|)(?:sq|square)\.?(?: |-|&nbsp;|)ft([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3,0000|sqft|m2|abbr=on}}$4");

ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)million(?: |-|&nbsp;|)(?:sq|square)\.?(?: |-|&nbsp;|)feet([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2,000000|sqft|m2}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)\.(\d)(?: |-|&nbsp;|)million(?: |-|&nbsp;|)(?:sq|square)\.?(?: |-|&nbsp;|)feet([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3,00000|sqft|m2}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)\.(\d\d)(?: |-|&nbsp;|)million(?: |-|&nbsp;|)(?:sq|square)\.?(?: |-|&nbsp;|)feet([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3,0000|sqft|m2}}$4");

ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)million(?: |-|&nbsp;|)(?:sq|square)\.?(?: |-|&nbsp;|)foot([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2,000000|sqft|m2|sing=on}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)\.(\d)(?: |-|&nbsp;|)million(?: |-|&nbsp;|)(?:sq|square)\.?(?: |-|&nbsp;|)foot([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3,00000|sqft|m2|sing=on}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)\.(\d\d)(?: |-|&nbsp;|)million(?: |-|&nbsp;|)(?:sq|square)\.?(?: |-|&nbsp;|)foot([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3,0000|sqft|m2|sing=on}}$4");

ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)ft²([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|sqft|m2|abbr=on}}$3");

//cubic foot
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)trillion(?: |-|&nbsp;|)(?:cu|cubic)\.?(?: |-|&nbsp;|)feet([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3|Tcuft|km3}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)trillion(?: |-|&nbsp;|)(?:cu|cubic)\.?(?: |-|&nbsp;|)foot([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3|Tcuft|km3|sing=on}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)trillion(?: |-|&nbsp;|)(?:cu|cubic)\.?(?: |-|&nbsp;|)ft([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3|Tcuft|km3|abbr=on}}$4");

ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)billion(?: |-|&nbsp;|)(?:cu|cubic)\.?(?: |-|&nbsp;|)feet([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3|Gcuft|m3}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)billion(?: |-|&nbsp;|)(?:cu|cubic)\.?(?: |-|&nbsp;|)foot([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3|Gcuft|m3|sing=on}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)billion(?: |-|&nbsp;|)(?:cu|cubic)\.?(?: |-|&nbsp;|)ft([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3|Gcuft|m3|abbr=on}}$4");

ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)million(?: |-|&nbsp;|)(?:cu|cubic)\.?(?: |-|&nbsp;|)feet([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3|Mcuft|m3}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)million(?: |-|&nbsp;|)(?:cu|cubic)\.?(?: |-|&nbsp;|)foot([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3|Mcuft|m3|sing=on}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)million(?: |-|&nbsp;|)(?:cu|cubic)\.?(?: |-|&nbsp;|)ft([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3|Mcuft|m3|abbr=on}}$4");

ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)thousand(?: |-|&nbsp;|)(?:cu|cubic)\.?(?: |-|&nbsp;|)feet([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3,000|cuft|m3}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)thousand(?: |-|&nbsp;|)(?:cu|cubic)\.?(?: |-|&nbsp;|)foot([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3,000|cuft|m3|sing=on}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)thousand(?: |-|&nbsp;|)(?:cu|cubic)\.?(?: |-|&nbsp;|)ft([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3,000|cuft|m3|abbr=on}}$4");

ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)(?:cu|cubic)\.?(?: |-|&nbsp;|)feet([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3|cuft|m3}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)(?:cu|cubic)\.?(?: |-|&nbsp;|)foot([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3|cuft|m3|sing=on}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)(?:cu|cubic)\.?(?: |-|&nbsp;|)ft([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3|cuft|m3|abbr=on}}$4");

ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)(?:cu|cubic)\.?(?: |-|&nbsp;|)ft³([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|cuft|m3|abbr=on}}$3");

//cubic foot as bcf, tcf etc
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)bcf([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|Gcuft|m3|abbr=on}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)bcf/d([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|Gcuft/d|m3/d|abbr=on}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)tcf([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|Tcuft|km3|abbr=on}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)tcf/d([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|Tcuft/d|km3/d|abbr=on}}$3");

//convert excessive zeros for cubic foot
ArticleText = Regex.Replace(ArticleText, @"(?i)({{convert\|\d+)000000000000\|ft3\|", "$1|Tcuft|");
ArticleText = Regex.Replace(ArticleText, @"(?i)({{convert\|\d+)000000000\|ft3\|", "$1|Gcuft|");
ArticleText = Regex.Replace(ArticleText, @"(?i)({{convert\|\d+)000000\|ft3\|", "$1|Mcuft|");

//convert excessive zeros for cubic feet
ArticleText = Regex.Replace(ArticleText, @"(?i)({{convert\|\d+)000000000000\|ft3\|", "$1|Tcuft|");
ArticleText = Regex.Replace(ArticleText, @"(?i)({{convert\|\d+)000000000\|ft3\|", "$1|Gcuft|");
ArticleText = Regex.Replace(ArticleText, @"(?i)({{convert\|\d+)000000\|ft3\|", "$1|Mcuft|");

//convert deprecated template for cubic foot
ArticleText = Regex.Replace(ArticleText, @"(?i)({{convert\|\d+)\|ft3\|", "$1|cuft|");
ArticleText = Regex.Replace(ArticleText, @"(?i)({{convert\|\d+)\|(gmtk)ft3\|", "$1|$2cuft|");

//yard
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(?:yards?)\|(yards?|yds?)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(yards?|yds?)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)yards([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|yd}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)yard([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|yd|sing=on}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)yds?([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|yd|abbr=on}}$3");

//cubic yard
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)trillion(?: |-|&nbsp;|)(?:cu|cubic)\.?(?: |-|&nbsp;|)yards([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2,000000000000|cuyd|m3}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)trillion(?: |-|&nbsp;|)(?:cu|cubic)\.?(?: |-|&nbsp;|)yard([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2,000000000000|cuyd|m3|sing=on}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)trillion(?: |-|&nbsp;|)(?:cu|cubic)\.?(?: |-|&nbsp;|)yds?([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2,000000000000|cuyd|m3|abbr=on}}$3");

ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)billion(?: |-|&nbsp;|)(?:cu|cubic)\.?(?: |-|&nbsp;|)yards([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2,000000000|cuyd|m3}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)billion(?: |-|&nbsp;|)(?:cu|cubic)\.?(?: |-|&nbsp;|)yard([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2,000000000|cuyd|m3|sing=on}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)billion(?: |-|&nbsp;|)(?:cu|cubic)\.?(?: |-|&nbsp;|)yds?([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2,000000000|cuyd|m3|abbr=on}}$3");

ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)million(?: |-|&nbsp;|)(?:cu|cubic)\.?(?: |-|&nbsp;|)yards([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2,000000|cuyd|m3}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)million(?: |-|&nbsp;|)(?:cu|cubic)\.?(?: |-|&nbsp;|)yard([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2,000000|cuyd|m3|sing=on}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)million(?: |-|&nbsp;|)(?:cu|cubic)\.?(?: |-|&nbsp;|)yds?([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2,000000|cuyd|m3|abbr=on}}$3");

ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)thousand(?: |-|&nbsp;|)(?:cu|cubic)\.?(?: |-|&nbsp;|)yards([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2,000|cuyd|m3}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)thousand(?: |-|&nbsp;|)(?:cu|cubic)\.?(?: |-|&nbsp;|)yard([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2,000|cuyd|m3|sing=on}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)thousand(?: |-|&nbsp;|)(?:cu|cubic)\.?(?: |-|&nbsp;|)yds?([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2,000|cuyd|m3|abbr=on}}$3");

ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)(?:cu|cubic)\.?(?: |-|&nbsp;|)yards([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|cuyd|m3}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)(?:cu|cubic)\.?(?: |-|&nbsp;|)yard([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|cuyd|m3|sing=on}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)(?:cu|cubic)\.?(?: |-|&nbsp;|)yds?([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|cuyd|m3|abbr=on}}$3");

ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)(?:cu|cubic)\.?(?: |-|&nbsp;|)yd³([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|cuyd|m3|abbr=on}}$3");

//oil barrels per day
//change 'bpd' and 'b/d' into bbl/d
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)(?:bpd|b\/d)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1$2bbl/d$3");

ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)trillion(?: |-|&nbsp;|)barrels per day([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3|Toilbbl/d|km3/d}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)trillion(?: |-|&nbsp;|)barrel per day([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3|Toilbbl/d|km3/d|sing=on}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)trillion(?: |-|&nbsp;|)bbl/d([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3|Toilbbl/d|km3/d|abbr=on}}$4");

ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)billion(?: |-|&nbsp;|)barrels per day([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3|Goilbbl/d|m3/d}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)billion(?: |-|&nbsp;|)barrel per day([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3|Goilbbl/d|m3/d|sing=on}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)billion(?: |-|&nbsp;|)bbl/d([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3|Goilbbl/d|m3/d|abbr=on}}$4");

ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)million(?: |-|&nbsp;|)barrels per day([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3|Moilbbl/d|m3/d}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)million(?: |-|&nbsp;|)barrel per day([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3|Moilbbl/d|m3/d|sing=on}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)million(?: |-|&nbsp;|)bbl/d([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3|Moilbbl/d|m3/d|abbr=on}}$4");

ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)thousand(?: |-|&nbsp;|)barrels per day([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3,000|oilbbl/d|m3/d}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)thousand(?: |-|&nbsp;|)barrel per day([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3,000|oilbbl/d|m3/d|sing=on}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)thousand(?: |-|&nbsp;|)bbl/d([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3,000|oilbbl/d|m3/d|abbr=on}}$4");

ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)barrels per day([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|oilbbl/d|m3/d}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)barrel per day([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|oilbbl/d|m3/d|sing=on}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)bbl/d([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|oilbbl/d|m3/d|abbr=on}}$3");

//oil barrels
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)trillion(?: |-|&nbsp;|)barrels([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3|Toilbbl|km3}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)trillion(?: |-|&nbsp;|)barrel([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3|Toilbbl|km3|sing=on}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)trillion(?: |-|&nbsp;|)bbl([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3|Toilbbl|km3|abbr=on}}$4");

ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)billion(?: |-|&nbsp;|)barrels([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3|Goilbbl|m3}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)billion(?: |-|&nbsp;|)barrel([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3|Goilbbl|m3|sing=on}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)billion(?: |-|&nbsp;|)bbl([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3|Goilbbl|m3|abbr=on}}$4");

ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)million(?: |-|&nbsp;|)barrels([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3|Moilbbl|m3}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)million(?: |-|&nbsp;|)barrel([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3|Moilbbl|m3|sing=on}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)million(?: |-|&nbsp;|)bbl([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3|Moilbbl|m3|abbr=on}}$4");

ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)thousand(?: |-|&nbsp;|)barrels([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3,000|oilbbl|m3}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)thousand(?: |-|&nbsp;|)barrel([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3,000|oilbbl|m3|sing=on}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(\.[\d,]{1,3})?(?: |-|&nbsp;|)thousand(?: |-|&nbsp;|)bbl([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3,000|oilbbl|m3|abbr=on}}$4");

ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)barrels([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|oilbbl|m3}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)barrel([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|oilbbl|m3|sing=on}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)bbl([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|oilbbl|m3|abbr=on}}$3");

//convert excessive zeros for oil
ArticleText = Regex.Replace(ArticleText, @"(?i)({{convert\|\d+)000000000000\|oilbbl\|", "$1|Toilbbl|");
ArticleText = Regex.Replace(ArticleText, @"(?i)({{convert\|\d+)000000000\|oilbbl\|", "$1|Goilbbl|");
ArticleText = Regex.Replace(ArticleText, @"(?i)({{convert\|\d+)000000\|oilbbl\|", "$1|Moilbbl|");

//oil: cubic km to cubic m
ArticleText = Regex.Replace(ArticleText, @"(?i)(Moilbbl\|)km3", "$1m3");
ArticleText = Regex.Replace(ArticleText, @"(?i)(koilbbl\|)km3", "$1m3");

//oil: convert litres into cubic metres
ArticleText = Regex.Replace(ArticleText, @"(?i)(oilbbl\|)TL", "$1km3");
ArticleText = Regex.Replace(ArticleText, @"(?i)(oilbbl\|)[kMG]L", "$1m3");

//embed 'per day' into pre-existing conversions
ArticleText = Regex.Replace(ArticleText, @"(?i)(oilbbl)\|(k?m3)(}})(?: |-|&nbsp;|)(?:per|a)(?: |-|&nbsp;|)day", "$1/d|$2/d$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)(oilbbl)\|(k?m3)(\|abbr=on}})(?: |-|&nbsp;|)(?:per|a)(?: |-|&nbsp;|)day", "$1/d|$2/d$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)(oilbbl)\|(k?m3)(\|sing=on}})(?: |-|&nbsp;|)(?:per|a)(?: |-|&nbsp;|)day", "$1/d|$2/d$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)(oilbbl)\|(k?m3)(}})/d", "$1/d|$2/d");

//feet per second
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|)(?:ft\/second|ft\/sec)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1$2 ft/s$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)&nbsp;(?:ft\/second|ft\/sec)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1$2&nbsp;ft/s$3");
//feet per second:plural
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)feet per second([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|ft/s|m/s}}$3");
//feet per second:singular
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)foot per second([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|ft/s|m/s|sing=on}}$3");
//feet per second:abbreviated
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)ft\/s([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|ft/s|m/s|abbr=on}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)f\/s([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|ft/s|m/s|abbr=on}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)fps([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|ft/s|m/s|abbr=on}}$3");

//foot - remove period when followed by parentheses
ArticleText = Regex.Replace(ArticleText, @"(\d ft)\.( \(\d)", "$1$2");

// foot and inch
ArticleText = Regex.Replace(ArticleText, @"(?i)(ength[.]{1,3})(\d{1,4}) ?[""’] ?(\d{1,3}) ?[""”]", "$1$2 ft $3 in");
ArticleText = Regex.Replace(ArticleText, @"(?i)(idth[.]{1,3})(\d{1,4}) ?[""’] ?(\d{1,3}) ?[""”]", "$1$2 ft $3 in");
ArticleText = Regex.Replace(ArticleText, @"(?i)([\(\|:] ?\d{1,4}) ?[""’] ?(\d{1,3}) ?[""”]([^NESW])", "$1 ft $2 in$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)(\d) ?ft ?(\d{1,3}) ?in", "$1 ft $2 in");

// knot
ArticleText = Regex.Replace(ArticleText, @"(?i)(\d)( |-|&nbsp;)(?:kts|kt|knt)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1$2knots$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[knot \(unit\)\|", "[knot (speed)|");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[kts\]\]", "[[knot (speed)|knots]]");
ArticleText = Regex.Replace(ArticleText, @"(?i)\|kts\]\]", "|knots]]");

//convert knot template to kn to match km
ArticleText = Regex.Replace(ArticleText, @"(?i)({{convert\|[\d\.]+)\|knot\|", "$1|kn|");

//nautical mile - rename "miles" as "nautical miles" when followed by knots or conversion code
ArticleText = Regex.Replace(ArticleText, @"(?i)(\d)(?: |-|&nbsp;|)miles (?:at|@) ([\d\.]{1,9}(?: |-|&nbsp;|)knots|{{convert)", "$1 nautical miles at $2");
ArticleText = Regex.Replace(ArticleText, @"(?i)(\d)( |-|&nbsp;)(?:mi|nm|nmi) (?:at|@) ([\d\.]{1,9}(?: |-|&nbsp;|)knots|{{convert)", "$1$2nmi at $3");
//nautical mile: plural unlinked
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)nautical(?: |-|&nbsp;|)miles([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|nmi|km}}$3");
//nautical mile: plural linked with "s" inside link
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)\[\[nautical(?: |-|&nbsp;|)miles\]\]([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|nmi|km}}$3");
//nautical mile: plural linked with "s" outside link
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)\[\[nautical(?: |-|&nbsp;|)mile\]\]s([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|nmi|km}}$3");
//nautical mile: singular unlinked
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)nautical(?: |-|&nbsp;|)mile([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|nmi|km|sing=on}}$3");
//nautical mile: singular linked
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)\[\[nautical(?: |-|&nbsp;|)mile\]\]([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|nmi|km|sing=on}}$3");
//nautical mile: abbreviated
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)(?:\[\[nautical mile\|nmi?\]\]|nmi)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|nmi|km|abbr=on}}$3");
//nautical mile: in full
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y] one(?: |-|&nbsp;|)nautical(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (1.9 km)$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y] two(?: |-|&nbsp;|)nautical(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (4 km)$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y] three(?: |-|&nbsp;|)nautical(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (6 km)$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y] four(?: |-|&nbsp;|)nautical(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (7 km)$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y] five(?: |-|&nbsp;|)nautical(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (9 km)$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y] six(?: |-|&nbsp;|)nautical(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (11 km)$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y] seven(?: |-|&nbsp;|)nautical(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (13 km)$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y] eight(?: |-|&nbsp;|)nautical(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (15 km)$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y] nine(?: |-|&nbsp;|)nautical(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (17 km)$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y] ten(?: |-|&nbsp;|)nautical(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (19 km)$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y] eleven(?: |-|&nbsp;|)nautical(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (20 km)$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y] twelve(?: |-|&nbsp;|)nautical(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (22 km)$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y] thirteen(?: |-|&nbsp;|)nautical(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (24 km)$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y] fourteen(?: |-|&nbsp;|)nautical(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (26 km)$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y] fifteen(?: |-|&nbsp;|)nautical(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (28 km)$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y] sixteen(?: |-|&nbsp;|)nautical(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (30 km)$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y] seventeen(?: |-|&nbsp;|)nautical(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (31 km)$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y] eighteen(?: |-|&nbsp;|)nautical(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (33 km)$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y] nineteen(?: |-|&nbsp;|)nautical(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (35 km)$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y] twenty(?: |-|&nbsp;|)nautical(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (37 km)$2");

//knot - plural
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)(?:knots|\[\[knot \(speed\)\|(?:knots\]\]|knot\]\]s))([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|kn|km/h}}$3");
//knot - singular
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)(?:knot|\[\[knot \(speed\)\|knot\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|kn|km/h|sing=on}}$3");
//knot - abbreviation
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)(?:kts?|\[\[knot \(speed\)\|kts?\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|kn|km/h|abbr=on}}$3");

//mile - lower case to avoid proper names like "Five Mile Road"
//delink this common unit
ArticleText = Regex.Replace(ArticleText, @"\[\[(mi|mile|miles)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"\[\[(?:mile|miles)\|(mi|mile|miles)\]\]", "$1");

//mile - protect "miles per hour" - undone below
ArticleText = Regex.Replace(ArticleText, @"(?i)(miles?) (per)", "$1xx$2");
//miles: plural
ArticleText = Regex.Replace(ArticleText, @"([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)(?:miles|\[\[miles\]\]|\[\[mile\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|mi|km}}$3");
//miles: singular
ArticleText = Regex.Replace(ArticleText, @"([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)(?:mile|\[\[mile\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|mi|km|sing=on}}$3");
//miles: abbreviated
ArticleText = Regex.Replace(ArticleText, @"([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)mi([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|mi|km|abbr=on}}$3");
//miles: in full
ArticleText = Regex.Replace(ArticleText, @"([^y] one(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (1.6 km)$2");
ArticleText = Regex.Replace(ArticleText, @"([^y] two(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (3 km)$2");
ArticleText = Regex.Replace(ArticleText, @"([^y] three(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (5 km)$2");
ArticleText = Regex.Replace(ArticleText, @"([^y] four(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (6 km)$2");
ArticleText = Regex.Replace(ArticleText, @"([^y] five(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (8 km)$2");
ArticleText = Regex.Replace(ArticleText, @"([^y] six(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (10 km)$2");
ArticleText = Regex.Replace(ArticleText, @"([^y] seven(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (11 km)$2");
ArticleText = Regex.Replace(ArticleText, @"([^y] eight(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (13 km)$2");
ArticleText = Regex.Replace(ArticleText, @"([^y] nine(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (14 km)$2");
ArticleText = Regex.Replace(ArticleText, @"([^y] ten(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (16 km)$2");
ArticleText = Regex.Replace(ArticleText, @"([^y] eleven(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (18 km)$2");
ArticleText = Regex.Replace(ArticleText, @"([^y] twelve(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (19 km)$2");
ArticleText = Regex.Replace(ArticleText, @"([^y] thirteen(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (19 km)$2");
ArticleText = Regex.Replace(ArticleText, @"([^y] fourteen(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (21 km)$2");
ArticleText = Regex.Replace(ArticleText, @"([^y] fifteen(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (24 km)$2");
ArticleText = Regex.Replace(ArticleText, @"([^y] ixteen(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (26 km)$2");
ArticleText = Regex.Replace(ArticleText, @"([^y] seventeen(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (27 km)$2");
ArticleText = Regex.Replace(ArticleText, @"([^y] eighteen(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (29 km)$2");
ArticleText = Regex.Replace(ArticleText, @"([^y] nineteen(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (30 km)$2");
ArticleText = Regex.Replace(ArticleText, @"([^y] twenty(?: |-|&nbsp;|)miles?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (32 km)$2");

//mile - unprotect "miles per hour"
ArticleText = Regex.Replace(ArticleText, @"(?i)(miles?)xx(per)", "$1 $2");

//mile per hour
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)m\.?p\.?h([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|mi/h|km/h|abbr=on}}$3");

// square mile
ArticleText = Regex.Replace(ArticleText, @"(?i)(\d)(?: |-)sq(?: |\. |-)mi([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 sq mi$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(square mile)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[square mile\|(sq mi)\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)(sq)(?: |-|&nbsp;|)(mile)", "$1uare $2");
// square mile:plural
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)square(?: |-|&nbsp;|)miles([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|sqmi|km2}}$3");
// square mile:singular
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)square(?: |-|&nbsp;|)mile([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|sqmi|km2|sing=on}}$3");
// square mile:abbreviated
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)sq(?: |-|&nbsp;|)mi([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|sqmi|km2|abbr=on}}$3");

//acre foot:plural
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]{3,16}[\d,\.]*)(?: |-|&nbsp;|)acre(?: |-|&nbsp;|)feet([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|acre feet}}$3");
//acre foot:singular
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]{3,16}[\d,\.]*)(?: |-|&nbsp;|)acre(?: |-|&nbsp;|)foot([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|acre feet|sing=on}}$3");
//acre foot:abbreviation
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]{3,16}[\d,\.]*)(?: |-|&nbsp;|)(?:acre|ac\.?)(?: |-|&nbsp;|)(?:foot|feet|ft)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|acre ft|abbr=on}}$3");

//acre - compress piped link
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[acre\|(acre)s\]\]", "[[$1]]s");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[(acre)s\]\]", "[[$1]]s");

//acres - temporary change to protect acre feet. changed below
ArticleText = Regex.Replace(ArticleText, @"(?i)(acre)(.(?:feet|foot|ft))", "xx$1yy$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)(\d)-(acre)", "$1 $2");
ArticleText = Regex.Replace(ArticleText, @"(?i)(\d)(?: |-|&nbsp;|)surface(?: |-|&nbsp;|)acre", "$1 acre");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)thousand(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2,000|acre|km2}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)thousand(?: |-|&nbsp;|)(?:acre|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2,000|acre|km2|sing=on}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)(?: |-|&nbsp;|)million(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|e6acre|km2}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)\.(\d)(?: |-|&nbsp;|)million(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3,00000|acre|km2}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)\.(\d)(?: |-|&nbsp;|)million(?: |-|&nbsp;|)(?:acre|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3,00000|acre|km2|sing=on}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)\.(\d\d)(?: |-|&nbsp;|)million(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3,0000|acre|km2}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]+)\.(\d\d)(?: |-|&nbsp;|)million(?: |-|&nbsp;|)(?:acre|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2$3,0000|acre|km2|sing=on}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y] one(?: |-|&nbsp;|)million(?: |-|&nbsp;|)acres?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (4,000 km²)$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)( a(?: |-|&nbsp;|)million(?: |-|&nbsp;|)acres?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (4,000 km²)$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y] two(?: |-|&nbsp;|)million(?: |-|&nbsp;|)acres?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (8,000 km²)$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y] three(?: |-|&nbsp;|)million(?: |-|&nbsp;|)acres?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (12,000 km²)$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y] four(?: |-|&nbsp;|)million(?: |-|&nbsp;|)acres?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (16,000 km²)$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y] five(?: |-|&nbsp;|)million(?: |-|&nbsp;|)acres?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (20,000 km²)$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y] six(?: |-|&nbsp;|)million(?: |-|&nbsp;|)acres?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (24,000 km²)$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y] seven(?: |-|&nbsp;|)million(?: |-|&nbsp;|)acres?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (28,000 km²)$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y] eight(?: |-|&nbsp;|)million(?: |-|&nbsp;|)acres?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (32,000 km²)$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y] nine(?: |-|&nbsp;|)million(?: |-|&nbsp;|)acres?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (36,000 km²)$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y] ten(?: |-|&nbsp;|)million(?: |-|&nbsp;|)acres?)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (40,000 km²)$2");

//acre:plural in full
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y][^-])two(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|2|acre|m2}}$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y][^-])three(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|3|acre|m2}}$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y][^-])four(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|4|acre|m2}}$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y][^-])five(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|5|acre|m2}}$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y][^-])six(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|6|acre|m2}}$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y][^-])seven(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|7|acre|m2}}$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y][^-])eight(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|8|acre|m2}}$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y][^-])nine(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|9|acre|m2}}$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)ten(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|10|acre|m2}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)eleven(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|11|acre|m2}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)twelve(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|12|acre|m2}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)thirteen(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|13|acre|m2}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)fourteen(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|14|acre|m2}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)fifteen(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|15|acre|m2}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)sixteen(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|16|acre|m2}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)seventeen(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|17|acre|m2}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)eighteen(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|18|acre|m2}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)nineteen(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|19|acre|m2}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)twenty(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|20|acre|m2}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)thirty(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|30|acre|m2}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)forty(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|40|acre|m2}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)fifty(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|50|acre|m2}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)sixty(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|60|acre|m2}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)seventy(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|70|acre|m2}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)eighty(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|80|acre|m2}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)ninety(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|90|acre|m2}}$1");

//acre:singular in full
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y][^-])one(?: |-|&nbsp;|)(?:acre|\[\[acre\]\]|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|1|acre|m2|sing=on}}$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y][^-])two(?: |-|&nbsp;|)(?:acre|\[\[acre\]\]|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|2|acre|m2|sing=on}}$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y][^-])three(?: |-|&nbsp;|)(?:acre|\[\[acre\]\]|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|3|acre|m2|sing=on}}$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y][^-])four(?: |-|&nbsp;|)(?:acre|\[\[acre\]\]|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|4|acre|m2|sing=on}}$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y][^-])five(?: |-|&nbsp;|)(?:acre|\[\[acre\]\]|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|5|acre|m2|sing=on}}$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y][^-])six(?: |-|&nbsp;|)(?:acre|\[\[acre\]\]|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|6|acre|m2|sing=on}}$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y][^-])seven(?: |-|&nbsp;|)(?:acre|\[\[acre\]\]|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|7|acre|m2|sing=on}}$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y][^-])eight(?: |-|&nbsp;|)(?:acre|\[\[acre\]\]|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|8|acre|m2|sing=on}}$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^y][^-])nine(?: |-|&nbsp;|)(?:acre|\[\[acre\]\]|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|9|acre|m2|sing=on}}$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)ten(?: |-|&nbsp;|)(?:acre|\[\[acre\]\]|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|10|acre|m2|sing=on}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)eleven(?: |-|&nbsp;|)(?:acre|\[\[acre\]\]|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|11|acre|m2|sing=on}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)twelve(?: |-|&nbsp;|)(?:acre|\[\[acre\]\]|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|12|acre|m2|sing=on}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)thirteen(?: |-|&nbsp;|)(?:acre|\[\[acre\]\]|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|13|acre|m2|sing=on}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)fourteen(?: |-|&nbsp;|)(?:acre|\[\[acre\]\]|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|14|acre|m2|sing=on}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)fifteen(?: |-|&nbsp;|)(?:acre|\[\[acre\]\]|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|15|acre|m2|sing=on}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)sixteen(?: |-|&nbsp;|)(?:acre|\[\[acre\]\]|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|16|acre|m2|sing=on}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)seventeen(?: |-|&nbsp;|)(?:acre|\[\[acre\]\]|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|17|acre|m2|sing=on}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)eighteen(?: |-|&nbsp;|)(?:acre|\[\[acre\]\]|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|18|acre|m2|sing=on}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)nineteen(?: |-|&nbsp;|)(?:acre|\[\[acre\]\]|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|19|acre|m2|sing=on}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)twenty(?: |-|&nbsp;|)(?:acre|\[\[acre\]\]|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|20|acre|m2|sing=on}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)thirty(?: |-|&nbsp;|)(?:acre|\[\[acre\]\]|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|30|acre|m2|sing=on}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)forty(?: |-|&nbsp;|)(?:acre|\[\[acre\]\]|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|40|acre|m2|sing=on}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)fifty(?: |-|&nbsp;|)(?:acre|\[\[acre\]\]|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|50|acre|m2|sing=on}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)sixty(?: |-|&nbsp;|)(?:acre|\[\[acre\]\]|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|60|acre|m2|sing=on}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)seventy(?: |-|&nbsp;|)(?:acre|\[\[acre\]\]|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|70|acre|m2|sing=on}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)eighty(?: |-|&nbsp;|)(?:acre|\[\[acre\]\]|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|80|acre|m2|sing=on}}$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)ninety(?: |-|&nbsp;|)(?:acre|\[\[acre\]\]|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "{{convert|90|acre|m2|sing=on}}$1");


//acre:plural
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]{3,16}[\d,\.]*)(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|acre|km2}}$3");

ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d)(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|acre|m2}}$3");

ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d{0,2}\.\d{0,6})(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|acre|m2}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d{1,2})(?: |-|&nbsp;|)(?:acres|\[\[acres\]\]|\[\[acre\]\]s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|acre|m2}}$3");

//acre:singular
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )([\d,]{3,16}[\d,\.]*)(?: |-|&nbsp;|)(?:acre|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|acre|km2|sing=on}}$3");
 
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d)(?: |-|&nbsp;|)(?:acre|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|acre|m2|sing=on}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d{0,2}\.\d*)(?: |-|&nbsp;|)(?:acre|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|acre|m2|sing=on}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d{1,2})(?: |-|&nbsp;|)(?:acre|\[\[acre\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|acre|m2|sing=on}}$3");

//acres - undo temporary change to protect acre feet
ArticleText = Regex.Replace(ArticleText, @"(?i)xx(acre)yy", "$1");

//remove commas from numerical values in convert template
ArticleText = Regex.Replace(ArticleText, @"(?i)({convert\|\d+),(\d)", "$1$2");

// foot pound
ArticleText = Regex.Replace(ArticleText, @"(?i)(\W)lbs?[ -.·•\/]{1,2}ft([^²\w])", "$1ft·lbf$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)(\W)lbs?ft([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1ft·lbf$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)ftlbs?([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "ft·lbf$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)ft\W{1,2}lbs?([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "ft·lbf$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)ftlbs?([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "ft·lbf$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)ft\W{1,2}lbf([^\|])", "ft·lbf$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)ft\W{1,2}lbff", "ft·lbf");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)ft.lbf([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|ft.lbf|N.m|abbr=on}}$3");

//pound force
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)( |-|&nbsp;|)lbs?.? (thrust|of thrust|force|of force)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1$2$3lbf $4$5");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*000)(?: |-|&nbsp;|)pounds force([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|lbf|kN}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)pounds force([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|lbf|N}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*000)(?: |-|&nbsp;|)pound force([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|lbf|kN|sing=on}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)pound force([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|lbf|N|sing=on}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*000)(?: |-|&nbsp;|)lbf([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|lbf|kN|abbr=on}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)lbf([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|lbf|abbr=on}}$3");

//pound weight
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[pound \(weight\)\|([^\]]+)\]\]", "[[pound (mass)|$1]]");
ArticleText = Regex.Replace(ArticleText, @"(?i)\|lbs?\.\]\]", "|lb]]");
ArticleText = Regex.Replace(ArticleText, @"(?i)(\d) ?lbs?([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 lb$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)(\d\+?) ?lbs?([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 lb$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)(\d)&nbsp;lbs?([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1&nbsp;lb$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)lb([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|lb|abbr=on}}$3");
//pounds and ounces - plural
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)pounds(?: |-|&nbsp;|)(\d[\d,\.]*)(?: |-|&nbsp;|)ounces?([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|lb|$3|oz|kg}}$4");
//pounds and ounces - singular
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)pound(?: |-|&nbsp;|)(\d[\d,\.]*)(?: |-|&nbsp;|)ounces?([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|lb|$3|oz|kg|sing=on}}$4");
//pounds and ounces - abbreviated
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)lbs?\.?,?(?: |-|&nbsp;|)(\d[\d,\.]*)(?: |-|&nbsp;|)oz\.?([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|lb|$3|oz|kg|abbr=on}}$4");

//grain
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)grains([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|gr}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)grain([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|gr|sing=on}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)gr([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|gr|abbr=on}}$3");

//foot and inch: plural
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)feet\.?(?: |-|&nbsp;|)(\d[\d,\.]*)(?: |-|&nbsp;|)(?:in|ins|inch|inches)\.?([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|ft|$3|in|m}}$4");
//foot and inch: singular
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)foot\.?(?: |-|&nbsp;|)(\d[\d,\.]*)(?: |-|&nbsp;|)(?:in|ins|inch|inches)\.?([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|ft|$3|in|m|sing=on}}$4");
//foot and inch: abbreviated
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)ft\.?(?: |-|&nbsp;|)(\d[\d,\.]*)(?: |-|&nbsp;|)(?:in|ins|inch|inches)\.?([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|ft|$3|in|m|abbr=on}}$4");

//foot (again). Parsed after "foot per second" and "foot pound"
//foot: plural
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)(?:feet|\[\[Foot \(unit of length\)\|feet\]\])([^²³·\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|ft|m}}$3");
//foot: singular
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)(?:foot|\[\[Foot \(unit of length\)\|foot\]\])([^²³·\w\d\(\)\/\\][^\d\(\)\/\\p])", "$1{{convert|$2|ft|m|sing=on}}$3");
//foot: abbreviated
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)(?:ft|\[\[Foot \(unit of length\)\|ft\]\])([^²³·\w\d\(\)\/\\][^\d\(\)\/\\l])", "$1{{convert|$2|ft|m|abbr=on}}$3");

//inch: plural
//'inches of snow' converts to cm
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\Wt""’] )(\d[\d,\.]*)(?: |-|&nbsp;|)inches(?: |-|&nbsp;|)of(?: |-|&nbsp;|)snow([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|in|cm}}$3");

//other inches convert to mm
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\Wt""’] )(\d)(?: |-|&nbsp;|)inches([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|in|mm}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\Wt""’] )(\d?\.\d*)(?: |-|&nbsp;|)inches([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|in|mm}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\Wt""’] )([1-4]\d)(?: |-|&nbsp;|)inches([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|in|mm}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\Wt""’] )([1-4]\d\.\d*)(?: |-|&nbsp;|)inches([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|in|mm}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\Wt""’] )(\d[\d,\.]*)(?: |-|&nbsp;|)inches([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|in|m}}$3");

// inch: plural with number in words
ArticleText = Regex.Replace(ArticleText, @"(?i)([^ty] three(?: |-|&nbsp;|)(?:inches|\[\[inches\]\]))([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (76 mm) $2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^ty] four(?: |-|&nbsp;|)(?:inches|\[\[inches\]\]))([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (102 mm) $2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^ty] five(?: |-|&nbsp;|)(?:inches|\[\[inches\]\]))([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (127 mm) $2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^ty] six(?: |-|&nbsp;|)(?:inches|\[\[inches\]\]))([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (152 mm) $2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^ty] seven(?: |-|&nbsp;|)(?:inches|\[\[inches\]\]))([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (178 mm) $2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^ty] eight(?: |-|&nbsp;|)(?:inches|\[\[inches\]\]))([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (203 mm) $2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^ty] nine(?: |-|&nbsp;|)(?:inches|\[\[inches\]\]))([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (229 mm) $2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^ty] ten(?: |-|&nbsp;|)(?:inches|\[\[inches\]\]))([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (254 mm) $2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^ty] eleven(?: |-|&nbsp;|)(?:inches|\[\[inches\]\]))([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (279 mm) $2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^ty] twelve(?: |-|&nbsp;|)(?:inches|\[\[inches\]\]))([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (305 mm) $2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^ty] thirteen(?: |-|&nbsp;|)(?:inches|\[\[inches\]\]))([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (330 mm) $2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^ty] fourteen(?: |-|&nbsp;|)(?:inches|\[\[inches\]\]))([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (356 mm) $2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^ty] fifteen(?: |-|&nbsp;|)(?:inches|\[\[inches\]\]))([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (381 mm) $2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^ty] sixteen(?: |-|&nbsp;|)(?:inches|\[\[inches\]\]))([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (406 mm) $2");

//inch: singular
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\Wt""’] )(\d)(?: |-|&nbsp;|)(?:inch|\[\[inch\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|in|mm|sing=on}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\Wt""’] )(\d?\.\d*)(?: |-|&nbsp;|)(?:inch|\[\[inch\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|in|mm|sing=on}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\Wt""’] )([1-4]\d)(?: |-|&nbsp;|)(?:inch|\[\[inch\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|in|mm|sing=on}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\Wt""’] )([1-4]\d\.\d*)(?: |-|&nbsp;|)(?:inch|\[\[inch\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|in|mm|sing=on}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\Wt""’] )(\d[\d,\.]*)(?: |-|&nbsp;|)(?:inch|\[\[inch\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|in|m|sing=on}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)({convert\|\d+\|(?:in|mm|cm)[^\}]*)\|lk=(?:on|in|out)", "$1");

// inch: singular with number in words
ArticleText = Regex.Replace(ArticleText, @"(?i)([^ty] three(?: |-|&nbsp;|)(?:inch|\[\[inch\]\]))([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (76 mm) $2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^ty] four(?: |-|&nbsp;|)(?:inch|\[\[inch\]\]))([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (102 mm) $2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^ty] five(?: |-|&nbsp;|)(?:inch|\[\[inch\]\]))([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (127 mm) $2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^ty] six(?: |-|&nbsp;|)(?:inch|\[\[inch\]\]))([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (152 mm) $2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^ty] seven(?: |-|&nbsp;|)(?:inch|\[\[inch\]\]))([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (178 mm) $2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^ty] eight(?: |-|&nbsp;|)(?:inch|\[\[inch\]\]))([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (203 mm) $2");
//avoid band 'Nine Inch Nails'
ArticleText = Regex.Replace(ArticleText, @"(?i)([^ty] nine(?: |-|&nbsp;|)(?:\[\[inch\]\]))([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (229 mm) $2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^ty] ten(?: |-|&nbsp;|)(?:inch|\[\[inch\]\]))([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (254 mm) $2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^ty] eleven(?: |-|&nbsp;|)(?:inch|\[\[inch\]\]))([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (279 mm) $2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^ty] twelve(?: |-|&nbsp;|)(?:inch|\[\[inch\]\]))([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (305 mm) $2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^ty] thirteen(?: |-|&nbsp;|)(?:inch|\[\[inch\]\]))([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (330 mm) $2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^ty] fourteen(?: |-|&nbsp;|)(?:inch|\[\[inch\]\]))([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (356 mm) $2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^ty] fifteen(?: |-|&nbsp;|)(?:inch|\[\[inch\]\]))([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (381 mm) $2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^ty] sixteen(?: |-|&nbsp;|)(?:inch|\[\[inch\]\]))([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 (406 mm) $2");

// horsepower
ArticleText = Regex.Replace(ArticleText, @"(?i)\.28 ?(bhp|ihp|shp)\.29\|", "($1)|");
ArticleText = Regex.Replace(ArticleText, @"(?i)(\d)(?: |-|)(horsepower|hp|bhp|ihp|shp)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 $2$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)(\d)&nbsp;(horsepower|hp|bhp|ihp|shp)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1&nbsp;$2$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)(\d)(?: |-|)horse(?: |-|)power([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 horsepower$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)(?:horsepower|\[\[horsepower\]\])([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|hp}}$3");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)(indicated(?: |-|&nbsp;|)horsepower)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|ihp}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)(brake(?: |-|&nbsp;|)horsepower)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|bhp}}$4");
ArticleText = Regex.Replace(ArticleText, @"(?i)([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|&nbsp;|)(hp|bhp|ihp|shp)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1{{convert|$2|$3|abbr=on}}$4");

// rpm
ArticleText = Regex.Replace(ArticleText, @"(?i)(\d) ?rpm([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 rpm$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)(\d)&nbsp;rpm([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1&nbsp;rpm$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)(\d)\-rpm([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1 rpm$2");

// bits per second
ArticleText = Regex.Replace(ArticleText, @"([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|)([KkMmGgTt]|)(?:bps|bits\/s|b\/s|bits?\/sec)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1$2 $3bit/s$4");
ArticleText = Regex.Replace(ArticleText, @"([^\d\(\)\/\\] )(\d[\d,\.]*)(?:&nbsp;)([KkMmGgTt]|)(?:bps|bits\/s|b\/s|bits?\/sec)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1$2 $3bit/s$4");

// bytes per second
ArticleText = Regex.Replace(ArticleText, @"([^\d\(\)\/\\] )(\d[\d,\.]*)(?: |-|)([KkMmGgTt]|)(?:Bps|bytes?\/s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1$2 $3byte/s$4");
ArticleText = Regex.Replace(ArticleText, @"([^\d\(\)\/\\] )(\d[\d,\.]*)(?:&nbsp;)([KkMmGgTt]|)(?:Bps|bytes?\/s)([^²³\w\d\(\)\/\\][^\d\(\)\/\\])", "$1$2 $3byte/s$4");

// capitalization of prefix with bits and bytes
ArticleText = Regex.Replace(ArticleText, @"K(bit|B|byte)\/s", "k$1/s");
ArticleText = Regex.Replace(ArticleText, @"m(bit|B|byte)\/s", "M$1/s");
ArticleText = Regex.Replace(ArticleText, @"g(bit|B|byte)\/s", "G$1/s");
ArticleText = Regex.Replace(ArticleText, @"t(bit|B|byte)\/s", "T$1/s");

//aviation specifications: unprotect "main=" and "alt="
ArticleText = Regex.Replace(ArticleText, @"(?i)((?:main|alt) ?= ?)xx(\d)", "$1$2");


//replace other templates with convert template
ArticleText = Regex.Replace(ArticleText, @"(?i){{mi to km\|(\d{1,9})}}", "{{convert|$1|mi|km}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{mi to km\|(\d{1,9})\|round[^\}]{1,5}}}", "{{convert|$1|mi|km}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{mi2 to km2\|(\d{1,9})}}", "{{convert|$1|mi|km}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{mi2 to km2\|(\d{1,9})\|round[^\}]{1,5}}}", "{{convert|$1|mi|km}}");

//rail gauge template
ArticleText = Regex.Replace(ArticleText, @"(?i){{(\d?\d)\s?in}}", "{{convert|$1|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{(\d?\d)\s?ft}}", "{{convert|$1|ft|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{(\d?\d)\s?ft\s?(\d?\d)\s?in}}", "{{convert|$1|ft|$2|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{(\d?\d)\s?ft\s?(\d?\d\.\d+)\s?in}}", "{{convert|$1|ft|$2|in|mm|0|abbr=on}}");

ArticleText = Regex.Replace(ArticleText, @"(?i)({{railgauge\|[^}]+)\|lk=on(}})", "$1$2");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|(\d?\d)\s?in}}", "{{convert|$1|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|(\d?\d)\s?ft}}", "{{convert|$1|ft|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|(\d?\d)\s?ft\s?(\d?\d)\s?in}}", "{{convert|$1|ft|$2|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|(\d?\d)\s?ft\s?(\d?\d\.\d+)\s?in}}", "{{convert|$1|ft|$2|in|mm|0|abbr=on}}");

//non-US standard gauge commented out because it is mm->in not the other way round
//ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|ussg}}", "{{convert|4|ft|8+1/2|in|mm|0|abbr=on}}");
//US standard gauge commented out until non-US standard gauge resolved
//ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|ussg}}", "{{convert|4|ft|8+1/2|in|mm|0|abbr=on}}");


ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|24}}", "{{convert|2|ft|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|25}}", "{{convert|2|ft|1|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|26}}", "{{convert|2|ft|2|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|27}}", "{{convert|2|ft|3|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|28}}", "{{convert|2|ft|4|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|29}}", "{{convert|2|ft|5|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|30}}", "{{convert|2|ft|6|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|31}}", "{{convert|2|ft|7|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|32}}", "{{convert|2|ft|8|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|33}}", "{{convert|2|ft|9|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|34}}", "{{convert|2|ft|10|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|35}}", "{{convert|2|ft|11|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|36}}", "{{convert|3|ft|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|37}}", "{{convert|3|ft|1|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|38}}", "{{convert|3|ft|2|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|39}}", "{{convert|3|ft|3|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|40}}", "{{convert|3|ft|4|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|41}}", "{{convert|3|ft|5|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|42}}", "{{convert|3|ft|6|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|48}}", "{{convert|4|ft|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|49}}", "{{convert|4|ft|1|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|50}}", "{{convert|4|ft|2|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|51}}", "{{convert|4|ft|3|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|52}}", "{{convert|4|ft|4|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|53}}", "{{convert|4|ft|5|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|54}}", "{{convert|4|ft|6|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|55}}", "{{convert|4|ft|7|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|56}}", "{{convert|4|ft|8|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|57}}", "{{convert|4|ft|9|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|58}}", "{{convert|4|ft|10|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|59}}", "{{convert|4|ft|11|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|60}}", "{{convert|5|ft|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|61}}", "{{convert|5|ft|1|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|62}}", "{{convert|5|ft|2|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|63}}", "{{convert|5|ft|3|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|64}}", "{{convert|5|ft|4|in|mm|0|abbr=on}}");
ArticleText = Regex.Replace(ArticleText, @"(?i){{railgauge\|65}}", "{{convert|5|ft|5|in|mm|0|abbr=on}}");


//remove commas from numerical values in convert template
ArticleText = Regex.Replace(ArticleText, @"(?i)({convert\|\d+),(\d)", "$1$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)({convert\|\d+),(\d)", "$1$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)({convert\|\d+),(\d)", "$1$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)({convert\|\d+),(\d)", "$1$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)({convert\|\d+),(\d)", "$1$2");

//remove leading zeros from convert template
ArticleText = Regex.Replace(ArticleText, @"(?i)({convert\|)0(\d)", "$1$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)({convert\|)0(\d)", "$1$2");
ArticleText = Regex.Replace(ArticleText, @"(?i)({convert\|)0(\d)", "$1$2");

//Remove surprise or "Easter egg" diversions linking unit name to orders of magnitude articles
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[1 ?_?E ?[\-\+]?\d{1,2} ?..?\|([^\]]{1,50})\]\]", "$1");
ArticleText = Regex.Replace(ArticleText, @"(?i)\[\[Orders of magnitude \([^\)]+\)\|([^\]]{1,50})\]\]", "$1");

//convert squares and cubes
ArticleText = Regex.Replace(ArticleText, @"({{convert\|[^}]+)\|sqmm\|", "$1|mm2|");
ArticleText = Regex.Replace(ArticleText, @"({{convert\|[^}]+)\|sqcm\|", "$1|cm2|");
ArticleText = Regex.Replace(ArticleText, @"({{convert\|[^}]+)\|sqm\|", "$1|m2|");
ArticleText = Regex.Replace(ArticleText, @"({{convert\|[^}]+)\|sqkm\|", "$1|km2|");

ArticleText = Regex.Replace(ArticleText, @"({{convert\|[^}]+)\|sqmm}", "$1|mm2}");
ArticleText = Regex.Replace(ArticleText, @"({{convert\|[^}]+)\|sqcm}", "$1|cm2}");
ArticleText = Regex.Replace(ArticleText, @"({{convert\|[^}]+)\|sqm}", "$1|m2}");
ArticleText = Regex.Replace(ArticleText, @"({{convert\|[^}]+)\|sqkm}", "$1|km2}");

ArticleText = Regex.Replace(ArticleText, @"({{convert\|[^}]+)\|cumm\|", "$1|mm3|");
ArticleText = Regex.Replace(ArticleText, @"({{convert\|[^}]+)\|cucm\|", "$1|cm3|");
ArticleText = Regex.Replace(ArticleText, @"({{convert\|[^}]+)\|cum\|", "$1|m3|");
ArticleText = Regex.Replace(ArticleText, @"({{convert\|[^}]+)\|cukm\|", "$1|km3|");

ArticleText = Regex.Replace(ArticleText, @"({{convert\|[^}]+)\|cumm}", "$1|mm3}");
ArticleText = Regex.Replace(ArticleText, @"({{convert\|[^}]+)\|cucm}", "$1|cm3}");
ArticleText = Regex.Replace(ArticleText, @"({{convert\|[^}]+)\|cum}", "$1|m3}");
ArticleText = Regex.Replace(ArticleText, @"({{convert\|[^}]+)\|cukm}", "$1|km3}");

ArticleText = Regex.Replace(ArticleText, @"({{convert\|[^}]+)\|sqmi sqkm}", "$1|sqmi km2}");
ArticleText = Regex.Replace(ArticleText, @"({{convert\|[^}]+)\|sqmi sqkm\|", "$1|sqmi km2|");


//delink common units of measurement in convert template
ArticleText = Regex.Replace(ArticleText, @"({{convert\|\d+\|)(mm|mm2|mm3|cm|cm2|cm3|m|m2|m3|km|km2|km3|in|ft|sqft|mi|sqmi)\|lk=on", "$1$2");
ArticleText = Regex.Replace(ArticleText, @"({{convert\|\d+\|)(mm|mm2|mm3|cm|cm2|cm3|m|m2|m3|km|km2|km3|in|ft|sqft|mi|sqmi)(\|\d)\|lk=on", "$1$2$3");
ArticleText = Regex.Replace(ArticleText, @"({{convert\|\d+\|)(mm|mm2|mm3|cm|cm2|cm3|m|m2|m3|km|km2|km3|in|ft|sqft|mi|sqmi)\|(mm|mm2|mm3|cm|cm2|cm3|m|m2|m3|km|km2|km3|in|ft|sqft|mi|sqmi)\|lk=on", "$1$2|$3");
ArticleText = Regex.Replace(ArticleText, @"({{convert\|\d+\|)(mm|mm2|mm3|cm|cm2|cm3|m|m2|m3|km|km2|km3|in|ft|sqft|mi|sqmi)\|(mm|mm2|mm3|cm|cm2|cm3|m|m2|m3|km|km2|km3|in|ft|sqft|mi|sqmi)(\|\d)\|lk=on", "$1$2|$3$4");
return ht.AddBack(ArticleText);
        }
//