71285013

CSharp · Console

/Program.cs

using System;
using System.Linq;
using System.Collections.Generic;
					
public class Program
{
	public static void Main()
	{
		Console.WriteLine($"Expected: True , Actual: {MustBeCharacter("stackoverflow?1234")}");   //Added question mark
		Console.WriteLine($"Expected: False , Actual: {MustBeCharacter("stackoverflow1234")}");   //Missing special character i.e. ?
	}
	
	private static bool MustBeCharacter(string arg)
	{ 
		var specialChars = ".,?!*-+".ToCharArray();
		return specialChars.Any(x => arg.Contains(x));
	}	
	
}