title: How can I extract the last field in a string?
body: <p>How can I extract the last field in a string? I have a string:</p>
  
  <pre><code>xres = 0: +*VGA1 1600/423x900/238+0+0  VGA1
  </code></pre>
  
  <p>I want to extract the last part of the string, that is <code>VGA1</code>.</p>