title: Replace a string in mustache template
body: <p>I have a mustache code to generate the output in the below format.</p>
  
  <p>[{{url}}]</p>
  
  <p>here url comes like "<a href="http://test.it.corp.com" rel="nofollow">http://test.it.corp.com</a>", I would like to replace the "http" with "external". Is it possible through mustache. Please help. Thanks!</p>