slashes (<code class="docutils literal notranslate"><span class="pre">\\1</span></code>) are required in CMake code to get a backslash
through argument parsing.</p>
</div>
<div class="section" id="regex-specification">
<span id="id1"></span><h3>Regex Specification<a class="headerlink" href="#regex-specification" title="Permalink to this headline">¶</a></h3>
<p>The following characters have special meaning in regular expressions:</p>
<dl>
<dt><code class="docutils literal notranslate"><span class="pre">^</s