title: Prevent NSData to remove special characters
body: <p>I'm trying to send a string data with NSData but i need that has a "+" on the message by example "hello +world", but when coming to the server, become with no + char "hello  world".</p>
  
  <pre><code>NSData *bodyData = [NSData dataWithBytes:[body UTF8String] length:[body length]];
  [request setHTTPBody:bodyData];
  </code></pre>
  
  <p>I don't know what happened. i need to send special chars using this. any help?</p>