class="identifier">regex_token_iterator</span><span class="special">&amp;</span> <span class="identifier">that</span><span class="special">);</span>
</pre>
<p>
        <span class="bold"><strong>Effects</strong></span>: constructs a copy of <code class="computeroutput"><span class="identifier">that</span></code>.
      </p>
<p>
        <span class="bold"><strong>Postconditions</strong></span>: <code class="computeroutput"><span class="special">*</span><span class="keyword">this</span> <span class="special">