Use Normalizer to Remove Accents : Normalizer « I18N « Java Tutorial

1. Java Tutorial
2. I18N
3. Normalizer

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.text.Normalizer;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;

public class RemoveAccents extends JFrame {
  public RemoveAccents() {
    setDefaultCloseOperation(EXIT_ON_CLOSE);
    JPanel pnl = new JPanel();
    pnl.add(new JLabel("Enter text"));
    final JTextField txtText;
    txtText = new JTextField("to be removed");
    pnl.add(txtText);

    JButton btnRemove = new JButton("Remove");
    ActionListener al;
    al = new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        String text = txtText.getText();
        text = Normalizer.normalize(text, Normalizer.Form.NFD);
        txtText.setText(text.replaceAll("[^\\p{ASCII}]", ""));
      }
    };
    btnRemove.addActionListener(al);
    pnl.add(btnRemove);

    getContentPane().add(pnl);

    pack();
    setVisible(true);
  }

  public static void main(String[] args) {
    new RemoveAccents();
  }
}