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<div class="titlepage"><div><div><h3 class="title">
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<a name="boost_regex.background.performance"></a><a class="link" href="performance.html" title="Performance">Performance</a>
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</h3></div></div></div>
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<div class="toc"><dl class="toc">
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<dt><span class="section"><a href="performance/section_id1344826346.html">Testing
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leftmost-longest searches (platform = Windows x64, compiler = Microsoft Visual
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C++ version 14.3)</a></span></dt>
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<dt><span class="section"><a href="performance/section_id1744311203.html">Testing
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simple leftmost-longest matches (platform = Windows x64, compiler = GNU C++
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version 11.4.0)</a></span></dt>
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<dt><span class="section"><a href="performance/section_id2864474365.html">Testing
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Perl searches (platform = Windows x64, compiler = Microsoft Visual C++ version
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14.3)</a></span></dt>
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<dt><span class="section"><a href="performance/section_id3048770036.html">Testing
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simple Perl matches (platform = Windows x64, compiler = Microsoft Visual
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C++ version 14.3)</a></span></dt>
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<dt><span class="section"><a href="performance/section_id3601180469.html">Testing
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Perl searches (platform = Windows x64, compiler = GNU C++ version 11.4.0)</a></span></dt>
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<dt><span class="section"><a href="performance/section_id3810206988.html">Testing
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simple leftmost-longest matches (platform = Windows x64, compiler = Microsoft
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Visual C++ version 14.3)</a></span></dt>
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<dt><span class="section"><a href="performance/section_id456935730.html">Testing
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leftmost-longest searches (platform = Windows x64, compiler = GNU C++ version
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11.4.0)</a></span></dt>
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<dt><span class="section"><a href="performance/section_id85151138.html">Testing
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simple Perl matches (platform = Windows x64, compiler = GNU C++ version 11.4.0)</a></span></dt>
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</dl></div>
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<p>
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The performance of Boost.Regex in both recursive and non-recursive modes
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should be broadly comparable to other regular expression libraries: recursive
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mode is slightly faster (especially where memory allocation requires thread
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synchronisation), but not by much. The following pages compare Boost.Regex
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with various other regular expression libraries for the following compilers:
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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
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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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