My first simple e-mail validator regex :)

Username Middle name Surname regex matcher

Look for all entries of a country on a list that can have repeated values

Matches CDATA sections while disallowing nesting

Accounts for any character 4 times and not 'null'

phone number matcher

A regex string to validate flight number

For two digits in regex in decimal places two and allow two digits before that point decimal

Developed for posh-git

Email - Works 99% close to oficial Standards, even better

Testing all known Variations of Instagram Profile Url's

LinkedIn Profile Url

only lat and cyr letters

Match all filenames in any URL including those with ANSI escaped characters (dotNET version)

ipv4 with optional port

No leading or trailing spaces

An email regex that allows for capitals after the final dot (ie. TEST@GMAIL.COM)

时间

(\+977)?9\d{8}

Pattern matches to all illegal characters in directory name. Can be useful for normalizing the folder name before creating it