</span> <span class="special">=</span> <span class="special">~</span><span class="number">0</span><span class="special">);</span>
   <span class="comment">// </span>
   <span class="comment">// now operators for returning what matched in more detail: </span>
   <span class="comment">// </span>
   <span class="keyword">unsigned</span> <span class="keyword">int</span> <span class="identifier">Position</span><span class="special">(</span><span class="keyword">int</span> <span class="identifier">i</span> <span 