title: How do I write a regex that allows for up to 7 characters plus one whitespace?
body: <p>How do I write a regex that allows for up to 7 characters plus <strong>one</strong> whitespace</p>
  
  <p>Sorry I'm a complete novice at regex stuff</p>
  
  <p>Any help would be greatly appreciated</p>
  
  <hr>
  
  <p>MODIFIED: The character can be either a letter or number...as it's for a postcode widget </p>