slower), when match_extra
            is used. Mostly this is down to the extra memory allocations that have
            to take place.
          </li>
</ul></div>
<a name="boost_regex.match_results.op_eq"></a><pre class="programlisting"><span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">BidirectionalIterator</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">Allocator</span><span cl