>
  <td><a href="/doc/api/1.0/CUrlRule#pattern-detail">pattern</a></td>
  <td>string</td>
  <td>regular expression used to parse a URL</td>
  <td>CUrlRule</td>
</tr>
<tr id="references">
  <td><a href="/doc/api/1.0/CUrlRule#references-detail">references</a></td>
  <td>array</td>
  <td>the mapping from route param name to token name (e.g. _r1=><1>)</td>
  <td>CUrlRule</td>
</tr>
<tr id="route">
  <td><a href="/doc/api/1.0/CUrlRule#route-detail">route</a></td>
  <td>string</td>
  <td>the controller/action pai