using System;

using System.Globalization;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        var examples =  new List<(string name, string enteredName)>

        {

            ("Sjúrður", "Sjúrður"),

            ("Sjúrður", "sjúrður"),

            ("Sjúrður", "Sjúrđur"),

            ("Elíse", "Elise"),

            ("Emma", "Em\x200Bma"),

            ("Alma", "Emma")

        };

​

        foreach ((string name, string enteredName) example in examples) {

            Console.WriteLine("----------");

            Console.WriteLine("Actual name: {0}", example.name);

            Console.WriteLine("Entered name: {0}", example.enteredName);

            Console.WriteLine("Entered name is exactly equal: {0}", String.Equals(example.name, example.enteredName));

            Console.WriteLine("Entered name is close enough: {0}", String.Compare(example.name, example.enteredName, CultureInfo.InvariantCulture, CompareOptions.IgnoreNonSpace | CompareOptions.IgnoreCase) == 0);

        }

    }

}