's <A href="http://www.pcre.org">PCRE</A> library.</P>
      <H3>Details</H3>
      <P>Machine: Intel Pentium 4 2.8GHz PC.</P>
      <P>Compiler: Microsoft Visual C++ version 7.1.</P>
      <P>C++ Standard Library: Dinkumware standard library version 313.</P>
      <P>OS: Win32.</P>
      <P>Boost version: 1.31.0.</P>
      <P>PCRE version: 3.9.</P>
      <P>
         As ever care should be taken in interpreting the results, only sensible regular 
         expressions (rather than pathological cases) are gi