Doit matcher : => "http://" et "https://" => suivi d'un nom de domaine libre => "www." est optionnel => domaine peut contenir [a-zA-Z0-9] et "-" mais pas en 1ère ou en dernière place => suivi d'un "/module" optionnel...

A regex to block Kermit the Frog and his internal monologue revealing deep dark secrets nobody cares about on Twitter using Tweetbot.

Remove leading "http://" or "https://" and optionally a "www." for look up

It matches and only matches this regex, including the delimiters. It could be 4 bytes shorter if <> are used as the delimiters instead. From Programming Puzzles & Code Golf.

Get Capitalized Expressions

Prüfen ob es sich um YouTube-Video handelt Anpassung von: http://stackoverflow.com/questions/26477134/php-how-to-know-if-link-is-a-valid-youtube-link