egex.match_results.format2">format</a><span class="special">(</span><span class="identifier">Formatter</span> <span class="identifier">fmt</span><span class="special">,</span>
                     <span class="identifier">match_flag_type</span> <span class="identifier">flags</span> <span class="special">=</span> <span class="identifier">format_default</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>

   <span class="identifier">allocator_type</span> <a cl