[Wordpress]Auto Media Embedding plugin

Task: create plugin Auto Media Embedding plugin for Video URL replace via regex to Embed code for Wordpress 3 like AME 2.5 - Media Embedding [login to view URL] (Vbulletin) example: URL: [login to view URL] -Regular expression- The regular expression to search for. http://[\w]+\.youtube\.[\w]+/watch\?v=([\w-]+)[\w&;=]*[\#t=]*([\d]*)s? -Replacement- The HTML to use. : <embed src="/player/[login to view URL]" width="500" height="330" allowscriptaccess="always" allowfullscreen="true" bgcolor="#000000" flashvars="file=[login to view URL]{$p1}#flv" /> some requirement: - easily add and delete function for definitions - good performence general / example: save the replacement and dont genreate it by every pageload - Update function. if something has been changed in the embed code then the old posts with this embed can be updated afterwards too . MAX: Budget: 60$