Format strings are used by the algorithm regex_replace and by match_results::format, and are used to transform one string into another.
There are three kind of format string: Sed, Perl and Boost-extended.
Alternatively, when the flag
format_literal is passed to one of these
functions, then the format string is treated as a string literal, and is copied
unchanged to the output.
Sed Style Format Strings
Perl Style Format Strings
Boost-Extended Format Strings
Revised 24 Nov 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 http://www.boost.org/LICENSE_1_0.txt)