ft" valign="top"><p>cntrl is equivalent to /[[:cntrl:]]/ in perl. ~cntrl is equivalent to /[[:^cntrl:]]/ in perl. </p></td></tr>
</table></div>
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</p>
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<td align="right"><div class="copyright-footer">Copyright &#169; 2007 Eric Niebler<p>
        Distributed under the Boost Software License, Version 1.0. (See accompanying
        file LICENSE_1_0.txt or copy at <a href="http://www