title: UILabel with text of two different colors
body: <p>I want to display a string like this in a <code>UILabel</code>:</p>
  
  <blockquote>
    <p>There are 5 results.</p>
  </blockquote>
  
  <p>Where the number 5 is red in color and the rest of the string is black.</p>
  
  <p>How can I do this in code?</p>