Boost C++ Libraries of the most highly regarded and expertly designed C++ library projects in the world. Herb Sutter and Andrei Alexandrescu, C++ Coding Standards


  Copyright 2006-2007 John Maddock.
  Distributed under the Boost Software License, Version 1.0.
  (See accompanying file LICENSE_1_0.txt or copy at

[section:performance Performance]

The performance of Boost.Regex in both recursive and non-recursive modes 
should be broadly comparable to other regular expression libraries: 
recursive mode is slightly faster (especially where memory allocation requires 
thread synchronisation), but not by much.  The following pages compare 
Boost.Regex with various other regular expression libraries for the 
following compilers: