title: How to process this NSString?
body: <p>I read data from an API  and I see this string: <code>text = "\n\Ufeff211419";</code></p>
  
  <p>How can can process it to have the result: <code>211419</code> ? I used <code>trim</code> function of <code>NSString</code>, but it did not work. 
  Thank you very much!</p>