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| <a name="boost_regex.ref.syntax_option_type.syntax_option_type_overview"></a><a class="link" href="syntax_option_type_overview.html" title="Overview of syntax_option_type"> |
| Overview of syntax_option_type</a> |
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| <p> |
| The type <a class="link" href="../syntax_option_type.html" title="syntax_option_type"><code class="computeroutput"><span class="identifier">syntax_option_type</span></code></a> is an implementation |
| specific bitmask type (see C++ standard 17.3.2.1.2). Setting its elements |
| has the effects listed in the table below, a valid value of type <a class="link" href="../syntax_option_type.html" title="syntax_option_type"><code class="computeroutput"><span class="identifier">syntax_option_type</span></code></a> |
| will always have exactly one of the elements <code class="computeroutput"><span class="identifier">normal</span></code>, |
| <code class="computeroutput"><span class="identifier">basic</span></code>, <code class="computeroutput"><span class="identifier">extended</span></code>, |
| <code class="computeroutput"><span class="identifier">awk</span></code>, <code class="computeroutput"><span class="identifier">grep</span></code>, |
| <code class="computeroutput"><span class="identifier">egrep</span></code>, <code class="computeroutput"><span class="identifier">sed</span></code>, |
| <code class="computeroutput"><span class="identifier">literal</span></code> or <code class="computeroutput"><span class="identifier">perl</span></code> set. |
| </p> |
| <p> |
| Note that for convenience all the constants listed here are duplicated |
| within the scope of class template <a class="link" href="../basic_regex.html" title="basic_regex"><code class="computeroutput"><span class="identifier">basic_regex</span></code></a>, so you can use any |
| of: |
| </p> |
| <pre class="programlisting"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">constant_name</span> |
| </pre> |
| <p> |
| or |
| </p> |
| <pre class="programlisting"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">regex</span><span class="special">::</span><span class="identifier">constant_name</span> |
| </pre> |
| <p> |
| or |
| </p> |
| <pre class="programlisting"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">wregex</span><span class="special">::</span><span class="identifier">constant_name</span> |
| </pre> |
| <p> |
| in an interchangeable manner. |
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| <td align="right"><div class="copyright-footer">Copyright © 1998 -2010 John Maddock<p> |
| 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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