title: How to remove special characters from NSString
body: <p>I am doing push notification application and i am getting device token &lt;8c09362c 82d6b735 c82fb2d9 8070db6f f73419b3 9da15e34 72aba570 6fbf5a45>, I got that device token from NSData, have succesfully converted into NSString, however i only need to remove first and last special character &lt; > from NSString</p>