      collection is allocated and freed as necessary by the member functions of
        class <code class="computeroutput"><span class="identifier">match_results</span></code>.
      </p>
<p>
        The template class <code class="computeroutput"><span class="identifier">match_results</span></code>
        conforms to the requirements of a Sequence, as specified in (lib.sequence.reqmts),
        except that only operations defined for const-qualified Sequences are supported.
      </p>
<p>
        Class te