/TD>
               </TR>
               <TR>
                  <TD>$2</TD>
                  <TD>"def"</TD>
               </TR>
               <TR>
                  <TD>$'</TD>
                  <TD>"--"</TD>
               </TR>
            </TABLE>
         </P>
      </BLOCKQUOTE>
      <P>In Boost.regex all these are accessible via the <A href="match_results.html">match_results</A>
         class that gets filled in when calling one of the matching algorithms (<A href="regex_search.html">regex_search