Apply a mask to String : Formatter « Development Class « Java

1. Java
2. Development Class
3. Formatter

Apply a mask to String

 

import javax.swing.text.MaskFormatter;

public class Main {
  

  public static void main(String args[]) throws Exception {

    MaskFormatter mf = new MaskFormatter("A-AAAA-AAAA-A");
    mf.setValueContainsLiteralCharacters(false);
    System.out.println(mf.valueToString("123123123123"));
  }
}
//1-2312-3123-1

   
  

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