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# Boost.Regex

## regbase

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Use of the type `boost::regbase` is now deprecated, and the type does not form a part of the regular expression standardization proposal. This type still exists as a base class of `boost::basic_regex`, and you can still refer to `boost::regbase::constant_name` in your code, however for maximum portability to other std regex implementations you should instead use either:

    boost::regex_constants::constant_name

or

    boost::regex::constant_name

or

    boost::wregex::constant_name

Revised 24 Oct 2003

© Copyright John Maddock 1998- 2003

Use, modification and distribution are subject to the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)