title: Python - Extract important string information
body: <p>I have the following string</p>
  
  <p><a href="http://example.com/variable/controller/id32434242423423234?param1=321&amp;param2=4324342" rel="nofollow">http://example.com/variable/controller/id32434242423423234?param1=321&amp;param2=4324342</a></p>
  
  <p>How in best way to extract id value, in this case - 32434242423423234</p>
  
  <p>Regardz,
  Mladjo</p>