title: comma separated thousand NSString stringWithFormat
body: <p>Is it possible to display 1000.99 as 1,000.99 using </p>
  
  <pre><code>[NSString stringWithFormat:@"£%0.2f", 1000.99]
  </code></pre>
  
  <p>Please guide me if I am not on the right track to achieve this?</p>