n><span class="identifier">config</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span></code> is <span class="bold"><strong>not</strong></span>
            present then the library will automoatically enter standalone mode. Or:
          </li>
<li class="listitem">
            Define BOOST_REGEX_STANDALONE when building.
          </li>
</ul></div>
<p>
        The main difference between the 2 modes, is that when Boost.Config is present
        the library