Validating input BOX Help!!!!!

[joe kane]

Hi all,
Hi,
I was wondering how do you validate an inputbox so that only letters can be entered?

  
    while ( !choice.matches("[0-9]+" ) ){
    JOptionPane.showMessageDialog(null,"Error, Numbers only");
    choice = JOptionPane.showInputDialog("Please Enter Name");

I know this validates it so only number can be entered, but what for the other way around?
Thanks loads in advance
Joe Kane

[Jeanne Boyarsky]

Joe,

while ( !choice.matches("[a-zA-Z]+" ) ){
    JOptionPane.showMessageDialog(null,"Error, Numbers only");
    choice = JOptionPane.showInputDialog("Please Enter Name");

[Jeanne Boyarsky]

Joe,
Also if you look in the Pattern class in the API, you will find some predefined character classes. Digits are \d and alphanumeric is \w.

[joe kane]

Thanks for that Jeanne.....