title: how to comment code containing close-comment delimiter
body: <pre><code>/*$a = $row['title'];
  $b = preg_replace("/(?&lt;=^|\n)[0-9\/-]+\s*/", "", $a);*/
  </code></pre>
  
  <p>Error: 
  <code>Parse error: syntax error, unexpected '"' in ... on line 14</code></p>
  
  <p>line 14 is the second line of the above code.</p>
  
  <p>How to comment this?</p>