title: Java regex to find two upper case letters, followed by one space and seven digits
body: <p>I want to find a regex for the following pattern: <code>"AA XXXXXXX"</code> (two characters, one space and 7 digits).</p></p>
  
  <p>Example: <code>"AA 1234567"</code>.</p>
  
  <p>Now I can't find the answer.</p>