<title>Perl Regular Expression Syntax</title>
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following special characters:
</p>
<pre class="programlisting">.[{}()\*+?|^$</pre>
+<p>
+ Other characters are special only in certain situations - for example <code class="computeroutput"><span class="special">]</span></code> is special only after an opening <code class="computeroutput"><span class="special">[</span></code>.
+ </p>
<h5>
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<span class="phrase"><a name="boost_regex.syntax.perl_syntax.wildcard"></a></span><a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.wildcard">Wildcard</a>