Module 17 - Regular Expression (REGEX) - Matching a Hex Value Regular Expression, otherwise known as "regex", is commonly used to search through a string of text in an advanced way allowing us to ...

It returns the index of the match, or -1 if the search fails. ###replace A String method that executes a search for a match in a string, and replaces the matched substring with a replacement substring ...

The Power of Match The regular expression library in Javascript starts out with the regex match () function.

It's been a while since I worked on regexs in JavaScript, but generally the way you do this in most programming languages is to build the regex as a string and then pass it into the regex engine.