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.

A handy reference of dev stuff that may turn out helpful at times. - dev-notes/regexp-related-symbols.md at master · damianc/dev-notes ...

rgi-emoji-regex-pattern offers a JavaScript-compatible regular expression pattern to match all RGI emoji symbols and sequences as per the Unicode Standard and UTS#51. (RGI stands for “recommended for ...