RegEx is awesome - online RegEx playgrounds and cheatsheets What's a RegEx? Regular Expressions are like an overpowered Cmd/Ctrl + F that can match to a very specific bit of text. Like CRISPR for ...

A node package for incremental regular expression parsing in JavaScript; useful for input validation - nurulc/incr-regex-package ...

Not surprisingly, Javascript, with its origins in web programming, has one of the most robust regular expression (or, more colloquially, regex) libraries in use today, and recent developments in ...

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.