// C# Extension Method

// Doc: https://csharp-extension.com/en/method/1002158/string-compareordinal

​

// @nuget: Z.ExtensionMethods

​

using System;

using System.Collections.Generic;

​

public class Program

{

    public static void Main()

    {

        string strA = "abc";

        string strB = "ABC";

​

        // C# Extension Method: String - CompareOrdinal

        var result = strA.CompareOrdinal(strB);

        if(result < 0)

        {

            Console.WriteLine("The substring in strA is less than the substring in strB.");

        }

        else if (result > 0)

        {

            Console.WriteLine("The substring in strA is greater than the substring in strB.");

        }

        else if (result == 0)

        {

            Console.WriteLine("The substrings are equal, or length is zero.");

        }

    }

}