Gets the ID of a YouTube Video from any link to it.

This regex finds images html tags without alternative text

Only accepts a new `tic if there are two tac` before it.

This is the best regex I found that was able to correctly parse cells containing multiple lines (hard line breaks). Low number of steps with sufficient speed, and it doesn't require /x option either. Source: https://gist.github.com/awwsmm/886ac0ce0cef517ad7092915f708175f

This was build on gentoo with english_ca.utf8 IIRC. Might not work for other distros... or locales supports -as the delimiter of hostname suffixing/prefixing

Capture PHP Function/Class Methods Use regular expression to capture the whole method/function. Parse static PHP code for functions and class methods. Useful for getting tokens and possibly use to generate a Call-Graph for debugging.

a modified verison of this awesome regex https://regex101.com/library/yP4bY4 by author firas dib that includes a capture group for episode numbers in addition to season numbers.

Krist name or address regex, where names also support metanames. Source 1 Source 2

In PHP scripts replace array() with short syntax []

Krist name regex, also supporting metanames. Source

password validator

This version of the regex is less permissive than the w3c documentation.. It matches only the common attribute syntax.

This regex is based on the specifications in the w3c documentation. The rules are* very permissive, and some* of this characters actually lead to errors in browsers.

Checks if the syntax of the passed string would be a valid css class.

Regex لدورة المدرسة

Match words containing "prostat" followed by 0 to 3 characters

Test your RSS pubDate has a correctly formatted date value according to the RFC822 standard It will match timeZoneName (eg GMT, EST) or time zone offset (eg. +0100)

Cisco config find each DHCP Pool Either full subnet pool or a static device entry pool

Find Cisco config DHCP exclisions

Captures every kind of US format I can think of (e.g +1999-999-999, 999-999-9999, +1(999) 999-9999, etc). Remove first coupling group if you don't want a country code.