title: Characters that need to be escaped in an Objective-C NSString object
body: <p>Want to know the whole character set whose characters have to be escaped in an Objective-C NSString object in order to be recognized properly, e.g. <code>"</code> has to be escaped as <code>\"</code>, as in</p>
  
  <pre><code>NSString *temporaryString = @"That book is dubbed as \"the little book\".";
  </code></pre>
  
  <p>Is the character set same with the one in <code>C</code> language <code>char *</code> string?</p>
  
  <p>Thanks for your help :D</p>