ing Types</a></span></dt>
<dd><dl>
<dt><span class="section"><a href="ref/non_std_strings/icu.html">Working With Unicode
        and ICU String Types</a></span></dt>
<dd><dl>
<dt><span class="section"><a href="ref/non_std_strings/icu/intro.html">Introduction
          to using Regex with ICU</a></span></dt>
<dt><span class="section"><a href="ref/non_std_strings/icu/unicode_types.html">Unicode
          regular expression types</a></span></dt>
<dt><span class="section"><a href="ref/non_std_strings/icu/unicod