title: youtube link regex
body: <p>im trying to make this work for all youtube links, which is working, except for youtube.com/v/videoid</p>
  
  <p>only watch?v= is working with this regex, any assistance is greatful.</p>
  
  <pre><code>/http:\/\/(?:youtu\.be\/|(?:[a-z]{2,3}\.)?youtube\.com\/watch(?:\?|#\!)v=)([\w-]{11}).*/i
  </code></pre>