just a a simple match for a mac address

Parse url with any complexity

1900 - 2015. Useful for Birthdates

Text to sentence is easy, but not when there are URLs or website names inside the text.

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.

Identify if string contains filter keyword

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