>. This type happens to be <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special">&lt;</span><span class="identifier">sub_match</span><span class="special">&lt;</span><span class="identifier">BidirectionalIterator</span><span class="special">&gt;</span> <span class="special">&gt;</span></code>,
        but you shouldn't actually rely on that.
      </p>
<a name="boost_regex.match_results.captures"></a><pre cl