trong></td>
               <td><strong>GRETA</strong></td>
               <td><strong>GRETA<BR>
                     (non-recursive mode)</strong></td>
               <td><strong>Boost</strong></td>
               <td><strong>Boost + C++ locale</strong></td>
               <td><strong>POSIX</strong></td>
               <td><strong>PCRE</strong></td>
            </tr>
            <tr>
               <td><code>beman|john|dave</code></td>
               <td>4.07<BR>
                  (0.00111s)</td>
          