title: Regular expression for Dutch phone number
body: <p>I'm looking for a regular expression to match a Dutch phone number. These are the formatting requirements:</p>
  
  <ul>
  <li>Should start with 0  </li>
  <li>Contains maximum of 1 (optional) dash "-" character, for now it does not matter where it is, as long as it's not the first character  </li>
  <li>Total length 10 or 11 characters  </li>
  </ul>
  
  <p>This is what I've come up with so far:</p>
  
  <pre><code>^0+-{1}?([0-9]{10,11})$
  </code></pre>