title: Regex: How to match for exact length of multiple values?
body: <p>How can I use this pattern: <code>[A-Za-z0-9]{10}</code> to also match to other text sizes like: 12 and 25?</p>
  
  <p>I tried to make it like: </p>
  
  <ol>
  <li><code>[A-Za-z0-9]{10|12|25}</code></li>
  <li><code>([A-Za-z0-9]){10}|{12}|{25}</code></li>
  </ol>
  
  <p>But it didn't succeed.</p>