Improving regex for parsing YouTube / Vimeo URLs

Question

I\'ve made a function (in JavaScript) that takes an URL from either YouTube or Vimeo. It figures out the provider and ID for that particular video (demo: http://jsfiddle.net

Answer 1

about sawa's answer :

a little update on the second regex :

/http:\/\/(?:www\.)?(vimeo|youtube)\.com\/(?:watch\?v=)?(.*?)(?:\z|$|&)/

(escaping the dots prevents from matching url of type www_vimeo_com/… and $ added…)

here is the same idea for matching the embed urls :

/http:\/\/(?:www\.|player\.)?(vimeo|youtube)\.com\/(?:embed\/|video\/)?(.*?)(?:\z|$|\?)/