Message Encrypter

import java.util.Scanner;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class message_encrypter {


    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        int n = Integer.parseInt(scanner.nextLine());

        String regex = "([*@])(?<tag>[A-Z][a-z]{2}[a-z]+)\\1: \\[(?<letter1>[A-z])\\]\\|\\[(?<letter2>[A-z])\\]\\|\\[(?<letter3>[A-z])\\]\\|$";
        Pattern pattern = Pattern.compile(regex);


        for(int i = 0; i < n; i++){

            String input = scanner.nextLine();

            Matcher matcher = pattern.matcher(input);

            if(matcher.find()) {

                String tag = matcher.group("tag");
                int letter1Value = (int)matcher.group("letter1").charAt(0);
                int letter2Value = (int)matcher.group("letter2").charAt(0);
                int letter3Value = (int)matcher.group("letter3").charAt(0);


                System.out.println(tag + ": " + letter1Value + " " + letter2Value + " " + letter3Value);

            }else{

                System.out.println("Valid message not found!");
            }



        }
    }
}