title: Html5 pattern that check for at least 2 digits and at least 4 letters in any order
body: <p>I'm using the Html5 pattern to validate password and I need to make sure that the string contains at least 2 numbers and at least 4 letters in any order.</p>
  
  <p>I did and this is what I got so far: <code>[a-z]{4,}[0-9]{2,}|[0-9]{2,}</code> but I need it to be in any order, for example: <code>9pog8k</code>.</p>
  
  <p>If I have 2 numbers and 4 letters in any order than it's fine no matter what else I have.</p>
  
  <p>Thanks!</p>