The regex library of matching characters has been growing in Javascript for a while. The Mozilla MDN for RegExp has a breakdown of what is supported, which may be well beyond what most people expect.

@bablr/regex-vm is a fully-featured regex engine, scripted in javascript. The engine's implementation is non-backtracking, which makes it ideal for matching against streaming inputs of any kind. It is ...

Match and Extract Nested groups (ex: graphql) using regex with Nestle ...

So I'm working with Cypress and I'm attempting to understand how to verify a URL via regex matching; but I want to use several character sets in the regex, and I want to add a variable as well ...