title: URL dispatcher: how to pass a variable with differnt length
body: <p>I want to pass a variable from the requested url to a view. With a predefined variable-length or just ja number it woudn't be a problem, but now my variable to pass can differ in length.</p>
  
  <p>I want something like this</p>
  
  <pre><code>url(r'^test/(?P&lt;my_var&gt;\d+)/$', views.Vote),
  </code></pre>
  
  <p>but <code>my_var</code> should be able to be for example <code>hello</code>, <code>blablabla</code> or <code>where_am_i_going</code>.</p>