 all</td></tr>
 <tr><td valign="top" headers="construct reluc"><i>X</i><tt>*?</tt></td>

     <td headers="matches"><i>X</i>, zero or more times</td></tr>
 <tr><td valign="top" headers="construct reluc"><i>X</i><tt>+?</tt></td>
     <td headers="matches"><i>X</i>, one or more times</td></tr>
 <tr><td valign="top" headers="construct reluc"><i>X</i><tt>{</tt><i>n</i><tt>}?</tt></td>

     <td headers="matches"><i>X</i>, exactly <i>n</i> times</td></tr>
 <tr><td valign="top" headers="construct reluc"><i>X</i><