  
        <section class="multi-line-signature">
          <span class="returntype"><a href="dart-core/Pattern-class.html">Pattern</a></span>
                  <span class="name ">pattern</span>
          
</section>
        
                <section class="desc markdown">
          <p>The pattern used to search in <a href="dart-core/Match/input.html">input</a>.</p>
        </section>
                <section class="summary source-code" id="source">
          <h2><span>Implementation</span></h2>
          