using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        const string WithUnicodeCharacter = "Employees Retirement System of Texas – ERS";

        const string WithoutUnicodeCharacter = "Employees Retirement System of Texas - ERS";

​

        bool hasUnicode;

​

        //true

        hasUnicode = ContainsUnicodeCharacter(WithUnicodeCharacter);

        Console.WriteLine(hasUnicode);

​

        //false

        hasUnicode = ContainsUnicodeCharacter(WithoutUnicodeCharacter);

        Console.WriteLine(hasUnicode);

        hasUnicode = ContainsUnicodeCharacter("##INI=EEP");

        Console.WriteLine(hasUnicode);

        hasUnicode = ContainsUnicodeCharacter("##INI=EEP");

        Console.WriteLine(hasUnicode);

    }

    public static bool ContainsUnicodeCharacter(string input)

    {

        const int MAX_ANSI_CODE = 255;

        return input.Any(c => c > MAX_ANSI_CODE);

    }

}