<span class="special">(</span><span class="string">"&lt;\\s*A\\s+[^&gt;]*href\\s*=\\s*\"([^\"]*)\""</span><span class="special">,</span>
               <span class="identifier">boost</span><span class="special">::</span><span class="identifier">regex</span><span class="special">::</span><span class="identifier">normal</span> <span class="special">|</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">regbase</span><span class="special">::</span><span class="ide