using System;

using System.Text.RegularExpressions;       

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine(GetUserIdNumeric("¡?00IOuuuy&%5543)00"));

    }

    public static string GetUserIdNumeric(string userId)

    {

        char[] alpha = "WJKDQREFGLMNUVIYTXBCHZOPSA".ToCharArray();

        System.Text.StringBuilder userIdNumeric = new();

        string cleanUserId = Regex.Replace(userId, @"[^0-9A-Za-z]", string.Empty);

        cleanUserId = cleanUserId.ToUpper();

        foreach (char l in cleanUserId)

        {

            int indexFound = Array.IndexOf(alpha, l);

            if (indexFound == -1) userIdNumeric.Append(l);

            else userIdNumeric.Append(indexFound);

        }

        return userIdNumeric.ToString();

    }

}