title: IOS: search a name in a tableview
body: <p>I have a tableview with 4 rows and in every row there is a name and a description:
  I make a stupid example:</p>
  
  <p>1 - Apple red
  2 - Three green
  3 - Home big
  4 - Table large</p>
  
  <p>inside this tableview I insert a search bar and when I write inside this search bar I want to show only words that I begin to write.</p>
  
  <p>example:
  if in the search bar I write "a" I want to see in tableview only "apple red" or
  if in the search bar I write "t" I want to see in tableview only "three green" and "table large".
  How can I do it? </p>