Comparación semántica de cadenas de caracteres.

ComparacionSemantica.cs

using System;

namespace Articulos.Cap06
{
    public class ComparacionSemantica
    {
        public static void Main() 
        {
            Console.WriteLine ("¿Iguales {0} y {1}?: {2}", "EINSTEIN", "Einstein", 
                        String.Equals("Einstein", "EINSTEIN", StringComparison.OrdinalIgnoreCase));        // True
                        
            Console.WriteLine ("\n¿Iguales {0} y {1}?: {2}", '\u1E7A'.ToString(), '\u01D5'.ToString(),
                        '\u1E7A'.ToString() == '\u01D5'.ToString());
                        
            Console.WriteLine ("\n¿Iguales {0} y {1}?: {2}", '\u1E7A'.ToString(), '\u01D5'.ToString(),
                        String.Equals('\u1E7A'.ToString(), '\u01D5'.ToString(), StringComparison.CurrentCulture));
        }
    }
}