Validates a date with ISO 8601 format. Source: http://www.pelagodesign.com/blog/2009/05/20/iso-8601-date-validation-that-doesnt-suck/

Finds the protocol, subdomain, ((domain, extension)/ipaddress), port, filepath (split in path and filename), the route and the query string.

Can grab all kinds of valid twitch URLs.

I am asking for help in writing a regular expression to shorten this expression. I need the string below to search every interface within the range of 1 -24 to validate the configuration. If one interface does not have the required configuration then the expression fails. interface GigabitEtherne...

white space before punctuations, outside script and code tags

matches: + example: +52 33 3884 7720 +1 770 343 5788

bits and pieces of reusable replacements in CSS @font-face rules

Detects valid Roman numerals (up to 3999), and splits into 4 capture groups: thousands, hundreds, tens, and units.

insert into (a,b,c) values (1,2.3,"test");

hj

This pattern matches all the Unicode characters that are not allowed in an XML document. It's based on the Wikipedia article "Valid characters in XML".