eroutput"><span class="identifier">regex_iterator</span></code></a>,
        and that the underlying iterators have not been subsequently invalidated.
        Will raise a <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">logic_error</span></code> if the match_results object
        was not initialized.
      </p>
<p>
        <span class="bold"><strong>Effects</strong></span>: returns a sequence containing all
        the captures obtaine