span class="section"><a href="ref/syntax_option_type/syntax_option_type_literal.html">Options
        for Literal Strings</a></span></dt>
</dl></dd>
<dt><span class="section"><a href="ref/match_flag_type.html">match_flag_type</a></span></dt>
<dt><span class="section"><a href="ref/error_type.html">error_type</a></span></dt>
<dt><span class="section"><a href="ref/regex_traits.html">regex_traits</a></span></dt>
<dt><span class="section"><a href="ref/non_std_strings.html">Interfacing With Non-Standard
      Str