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< a name = "boost_regex.format" ></ a >< a class = "link" href = "format.html" title = "Search and Replace Format String Syntax" > Search and Replace Format String Syntax</ a >
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< dt >< span class = "section" >< a href = "format/sed_format.html" > Sed Format String Syntax</ a ></ span ></ dt >
< dt >< span class = "section" >< a href = "format/perl_format.html" > Perl Format String Syntax</ a ></ span ></ dt >
< dt >< span class = "section" >< a href = "format/boost_format_syntax.html" > Boost-Extended
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Format String Syntax</ a ></ span ></ dt >
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Format strings are used by the algorithm < a class = "link" href = "ref/regex_replace.html" title = "regex_replace" >< code class = "computeroutput" >< span class = "identifier" > regex_replace</ span ></ code ></ a > and by < a class = "link" href = "ref/match_results.html#boost_regex.match_results_format" >< code class = "computeroutput" >< span class = "identifier" > match_results</ span >< span class = "special" > <> ::</ span >< span class = "identifier" > format</ span ></ code ></ a > , and are used to transform
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one string into another.
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There are three kind of format string: < a class = "link" href = "format/sed_format.html" title = "Sed Format String Syntax" > Sed</ a > ,
< a class = "link" href = "format/perl_format.html" title = "Perl Format String Syntax" > Perl</ a > and < a class = "link" href = "format/boost_format_syntax.html" title = "Boost-Extended Format String Syntax" > Boost-Extended</ a > .
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Alternatively, when the flag < code class = "computeroutput" >< span class = "identifier" > format_literal</ span ></ code >
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is passed to one of these functions, then the format string is treated as a
string literal, and is copied unchanged to the output.
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< div class = "copyright-footer" > Copyright © 1998-2013 John Maddock< p >
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Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at < a href = "http://www.boost.org/LICENSE_1_0.txt" target = "_top" > http://www.boost.org/LICENSE_1_0.txt</ a > )
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