title: How to insert a NSString into a NSMutableString?
body: <p>I have a NSMutableString where i need to insert another NSString at two places. My NSMutableString is </p>
  
  <pre><code>NSMutableString *webServiceLinkWithResponses = [[NSMutableString alloc] initWithString:@"http://lmsstaging.2xprime.com/services/ParticipantService.cfc?method=setVideoExamResults&amp;student_id=10082&amp;course_id=VRT_TRA&amp;lesson=904&amp;examtype=r&amp;question_num=&amp;ansValue="];
  </code></pre>
  
  <p>I need to insert one String(One) after "question_num=" and another string(One) after "ansValue=" so my final string should be like</p>
  
  <p><a href="http://lmsstaging.2xprime.com/services/ParticipantService.cfc?method=setVideoExamResults&amp;student_id=10082&amp;course_id=VRT_TRA&amp;lesson=904&amp;examtype=r&amp;question_num=One&amp;ansValue=One" rel="nofollow">http://lmsstaging.com/services/ParticipantService.cfc?method=setVideoExamResults&amp;student_id=10082&amp;course_id=VRT_TRA&amp;lesson=904&amp;examtype=r&amp;question_num=One&amp;ansValue=One</a></p>
  
  <p>Any suggestions on this?</p>