title: Regex to check for at least 3 characters?
body: <p>I have this regex to allow for only alphanumeric characters.</p>
  
  <p>How can I check that the string at least contains 3 alphabet characters as well.</p>
  
  <p>My current regex,</p>
  
  <pre><code>if(!/^[a-zA-Z0-9]+$/.test(val))
  </code></pre>
  
  <p>I want to enforce the string to make sure there is at least 3 consecutive alphabet characters as well so;</p>
  
  <pre><code>111 // false
  aaa1 // true
  11a // false
  bbc // true
  1a1aa // false
  </code></pre>