otranslate"><span class="pre">\</span></code>.</p></li>
<li><p>The quoted argument <code class="docutils literal notranslate"><span class="pre">&quot;[A-Za-z0-9_]&quot;</span></code> specifies a regex that matches
any single &quot;word&quot; character in the C locale.</p></li>
<li><p>The quoted argument <code class="docutils literal notranslate"><span class="pre">&quot;\\(\\a\\+b\\)&quot;</span></code> specifies a regex that matches
the exact string <code class="docutils literal notranslate"><span class="pr