 class="special">&lt;</span> <span class="identifier">BidiIter</span> <span class="special">&gt;</span> 
<a name="idp114755392-bb"></a><span class="identifier">compile</span><span class="special">(</span><span class="identifier">char_type</span> <span class="keyword">const</span> <span class="special">*</span> begin<span class="special">,</span> 
        <span class="identifier">flag_type</span> flags <span class="special">=</span> <span class="identifier">regex_constants</span><span class="special">::</spa