Message Decrypter

using System;
using System.Text.RegularExpressions;
using System.Text;
namespace problem02
{
    class Program
    {
        static void Main(string[] args)
        {
            int countOfMessages = int.Parse(Console.ReadLine());
            string pattern = @"^(\$|%)([A-Z][a-z]{2,})\1: \[(\d+)\]\|\[(\d+)\]\|\[(\d+)\]\|$";


            for (int i = 0; i < countOfMessages; i++)
            {
                string text = Console.ReadLine();
                Match match = Regex.Match(text,pattern);

                if(match.Length>0)
                {
                    string name = match.Groups[2].Value;
                    char firstSymbol = (char)int.Parse(match.Groups[3].Value);
                    char secondSymbol = (char)int.Parse(match.Groups[4].Value);
                    char triedSymbol = (char)int.Parse(match.Groups[5].Value);
                    StringBuilder message = new StringBuilder();
                    message.Append(firstSymbol);
                    message.Append(secondSymbol);
                    message.Append(triedSymbol);
                    Console.WriteLine($"{name}: {message}");
                }
                else
                {
                    Console.WriteLine("Valid message not found!");
                }

            }

        }
    }
}