Whether you are a new or advanced user, you can edit pages with ease by installing wikEd.
To install, simply select wikEd on the Gadgets panel of your Preferences:
Preferences → Gadgets → Editing → wikEd: a full-featured integrated text editor for Firefox, Safari, and Google Chrome (documentation)
wikEd provides many abilities, including a multifunctional search-and-replace feature for regular expressions (regex).
wikEd works in the following web browsers: Firefox, Pale Moon, SeaMonkey, Safari, WebKit, Google Chrome, and Opera (version 15 and higher). Currently, wikEd is not compatible with Internet Explorer or versions of Opera below 15.
Any of the following inline, comment-level templates can be converted into {{Resolved}}-style hatnotes by using {{Resbox}} to put a box around the icon and text.
Template:Resolved/See also, the smaller family of thread-level hatnote templates, similar to the above but with a box around them; any template above can be converted to one of those with {{Resbox}}