regex.match_results.begin"></a><pre class="programlisting"><span class="identifier">const_iterator</span> <span class="identifier">begin</span><span class="special">()</span><span class="keyword">const</span><span class="special">;</span>
</pre>
<p>
        <span class="bold"><strong>Effects</strong></span>: Returns a starting iterator that
        enumerates over all the marked sub-expression matches stored in *this.
      </p>
<a name="boost_regex.match_results.end"></a><pre class="programlisting"><span c