st</span><span class="special">::</span><span class="identifier">make_u32regex</span><span class="special">(</span><span class="identifier">re</span><span class="special">);</span>
   <span class="identifier">boost</span><span class="special">::</span><span class="identifier">u32regex_iterator</span><span class="special">&lt;</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">::</span><span class="identifier">const_iterator</sp