title: Trim or replace all commas and spaces from the String
body: <p>Hi i am developing android application.Now i stuck in one problem. Let me give you a example to understand my problem.</p>
  
  <p><strong>What I have is : kushal,mayurv,narendra,dhrumil,mark,  ,,,, ,</strong></p>
  
  <p><strong>What i want is : kushal,mayurv,narendra,dhrumil,mark</strong></p>
  
  <p>Any help is appreciated.</p>