Simply searches for the thread-id in any kind of valid reddit-URL.

YourLink - not found AnotherLink - found

extract video id, index, play list id from youtube url

Check "codice fiscale"

Matches case insensitive first name, optional unlimited number of middle names and last name separated with space format. Replaced \w with explicit char range for Turkish support. (Äž accepted as first char not to over complex)

By Using this string you can just remove ascii special characters from a unicode string characters like ♥♥♥♥ ▓▒ and other non unicode letters.

Pattern matching and extracting color code formats using RegEx. https://github.com/Kyza/color-regex/

Valid PHP variable name as defined in the manual at http://php.net/manual/en/language.variables.basics.php

grabs the ID for the regex101.com permalink to code

Validates - URLs with schemes - http, https and ftp Relative URL starting with / and ../

Allows inserting expiry date as MM/YYYY or MM-YYYY format

Allows phone numbers with optional country code, optional special characters and whitespace