ength</span><span class=special>, </span><span class=identifier>val</span><span class=special>); </span><span class=special>
        }

        </span><span class=keyword>template </span><span class=special>&lt;</span><span class=keyword>typename </span><span class=identifier>MatchT</span><span class=special>, </span><span class=keyword>typename </span><span class=identifier>IteratorT</span><span class=special>&gt;
        </span><span class=keyword>void
        </span><span class=identifier>group_match</sp