of syntax_option_type</a></span></dt>
<dt><span class="section"><a href="ref/syntax_option_type/syntax_option_type_perl.html">Options
        for Perl Regular Expressions</a></span></dt>
<dt><span class="section"><a href="ref/syntax_option_type/syntax_option_type_extended.html">Options
        for POSIX Extended Regular Expressions</a></span></dt>
<dt><span class="section"><a href="ref/syntax_option_type/syntax_option_type_basic.html">Options
        for POSIX Basic Regular Expressions</a></span></dt>
<dt><