title: How to limit max value in textfield with handler javafx
body: <p>How to limit max value in textfield with handler javafx?</p>
  
  <p>In my textfield, I want to the user don't enter a value > 127?</p>
  
  <p>How to do that with a Handler?</p>
  
  <p>I have already limit the textfield to numeric values (with regex)</p>