using System;

public class Program

{

    public static void Main()

    {

        var magicNumberStr = "841359135964216237‬";

        var magicNumberVal = 841359135964216237;

        var encoderAscii = new System.Text.ASCIIEncoding();

        var encoderUtf8 = new System.Text.UTF8Encoding();

        //Using a few encoders on the string vs long.ToString() , see how the string variable has a few extra bytes on the end

        Console.WriteLine("UTF8  string variable: " + string.Join(",", encoderUtf8.GetBytes(magicNumberStr)));

        Console.WriteLine("UTF8  long.ToString(): " + string.Join(",", encoderUtf8.GetBytes(magicNumberVal.ToString())));

        Console.WriteLine("ASCII string variable: " + string.Join(",", encoderAscii.GetBytes(magicNumberStr)));

        Console.WriteLine("ASCII long.ToString(): " + string.Join(",", encoderAscii.GetBytes(magicNumberVal.ToString())));

        Console.WriteLine();

        RunStringComparisonTests(magicNumberStr, magicNumberVal);

    }

    public static void RunStringComparisonTests(string magicNumberStr, long magicNumberVal) {

        //Shared function to output test results

        Action<string, bool> test = (string name, bool isEqual) => {

            Console.WriteLine((isEqual ? "==" : "!=") + " " + name);

        };

        bool isEqual;

        //Run against default "==" operator

        isEqual = string.Equals(magicNumberStr, magicNumberVal.ToString());

        test("'==' operator", isEqual);

        //Run against default string.Equals (no StringComparison parameter given)

        isEqual = string.Equals(magicNumberStr, magicNumberVal.ToString());

        test("Default string.Equals", isEqual);

        //Run against each value for the enum StringComparison

        foreach (StringComparison sc in (StringComparison[]) Enum.GetValues(typeof(StringComparison))) {

            isEqual = string.Equals(magicNumberStr, magicNumberVal.ToString(), sc);

            test(sc.ToString("G"), isEqual);

        }

    }

}