I want to know symbols validation in JTextField using java swing

[Isuri]

what i want to do is when we are going to type something inside the text field, it should not allowed symbols ...

the code i used

 if (evt.getKeyChar()=='&'||evt.getKeyChar()=='@') {
       jTextField2.setText("");

[PreethiGowri]

     
String input=jTextField2.getText();
Pattern p = Pattern.compile("[&%$#@!()*^]");
Matcher m = p.matcher(input);
if (m.find()){
jTextField2.setText("");
}