title: Which one preg_match pattern will be right to check identificator?
body: <p>Have a small trouble with a right preg_match pattern to check identificators like below:</p>
  
  <pre><code>WDL-86125858
  SNH-12361400
  VZB-46756554
  </code></pre>
  
  <p>Need to check it have 3 letters (A-Z), then dash, and then 8 numbers (0-9). Anyone can help?</p>