Any date that as a valid month, a valid date and a year composed of 4 numbers. You can change the '-' caracter to any divider you want.

uuu

Identify if string contains filter keyword

Simple website validation for your casual usage

validate a url with or without query string and scheme

if you want to validate user mail

Extract the usernames out of a log dump from IRCCloud

checks that the mail is valid

A password regex that has to have at least 1 uppercase caracter, 1 lowercase caracter, 1 special caracter and a digit

validate 14,9 decimals

Get the ID from the multiple Giphy URLs

Searches simple Select-From-Where style queries for tables and their aliases (if they have any). Doesn't properly handle subqueries used in place of tables!

to check email bunch with commas

Splits words for title casing; $0[0].toUpperCase(); `

The RegExp validates ISO8601 date and time (without milliseconds) with timezone offset.