Message Encrypter

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;

namespace ConsoleApp4
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            for (int i = 0; i < n; i++)
            {
                string message = Console.ReadLine();
                Regex regex = new Regex(@"(\*|@)([A-Z][a-z]{2,})\1: \[(\w)\]\|\[(\w)\]\|\[(\w)\]\|$");
                bool match = regex.IsMatch(message);
                Match tag = regex.Match(message);
                string tagString = tag.Groups[2].Value;
                if (match == false)
                {
                    Console.WriteLine("Valid message not found!");
                }
                else
                {
                    Regex groups = new Regex(@"(\*|@)([A-Z][a-z]{2,})\1: \[(\w)\]\|\[(\w)\]\|\[(\w)\]\|$");
                    Match matching = groups.Match(message);
                    string firstGroup = matching.Groups[3].Value;
                    string secondGroup = matching.Groups[4].Value;
                    string thirdGroup = matching.Groups[5].Value;
                    char firstChar = char.Parse(firstGroup);
                    char secondChar = char.Parse(secondGroup);
                    char thirdChar = char.Parse(thirdGroup);
                    int firstValue = (int)firstChar;
                    int secondValue = (int)secondChar;
                    int thirdValue = (int)thirdChar;
                    string stringValue = firstValue.ToString() + " " + secondValue.ToString() + " " + thirdValue.ToString();
                    Console.WriteLine($"{tagString}: {stringValue}");
                }
            }
        }
    }
}