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class regex_traits




namespace boost{

template <class charT, class implementationT = sensible_default_choice>
struct regex_traits : public implementationT
   regex_traits() : implementationT() {}

template <class charT>
struct c_regex_traits;

template <class charT>
struct cpp_regex_traits;

template <class charT>
struct w32_regex_traits;

} // namespace boost


The class regex_traits is just a thin wrapper around an actual implemention class, which may be one of:

The default behavior can be altered by defining one of the following configuration macros in boost/regex/user.hpp:

All these traits classes fulfil the traits class requirements.

Revised 24 June 2004 

Copyright John Maddock 1998- 2004

Use, modification and distribution are subject to the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at