title: XSL media:content - Trimming strings in XSLT
body: <p>Can anyone tell me how to select the URL from this:</p>
  
  <pre><code>&lt;media:content url="http://feedproxy.google.com/~r/TEDTalks_video/~5/aZWq6PY05YE/TimBrown_2009G.mp4" fileSize="57985745" type="video/mp4" /&gt;
  </code></pre>
  
  <p>I want to:</p>
  
  <ol>
  <li><p>Create a link to this file:</p>
  
  <p></p></li>
  <li><p>Trim the URL from: </p>
  
  <p><a href="http://feedproxy.google.com/~r/TEDTalks_video/~5/aZWq6PY05YE/TimBrown_2009G.mp4" rel="nofollow noreferrer">http://feedproxy.google.com/~r/TEDTalks_video/~5/aZWq6PY05YE/TimBrown_2009G.mp4</a></p></li>
  </ol>
  
  <p>to:</p>
  
  <pre><code>TimBrown_2009G
  </code></pre>
  
  <p>and then take: TimBrown_2009G and use it as part of a URL</p>