title: How to detect emoji iOS
body: <p>I am trying to detect if a user of my app entered an emoji into UITextView. I have found this code: </p>
  
  <p><a href="https://gist.github.com/cihancimen/4146056" rel="nofollow">https://gist.github.com/cihancimen/4146056</a></p>
  
  <p>However this code is not working for all emojis (for instance it is not working for the hearth symbol). Does anyone have a clue how to improve the code to catch all emojis? I am using Objective-C language. Any help is appreciated. </p>