onst</span><span class="special">;</span></code>
                  </p>
                </td>
<td>
                  <p>
                    Returns true if sub-expression <span class="emphasis"><em>i</em></span> was matched,
                    false otherwise.
                  </p>
                </td>
</tr>
<tr>
<td>
                  <p>
                    <code class="computeroutput"><span class="keyword">unsigned</span> <span class="keyword">int</span>
                    <span class="identifier">L