EqualsAny

CSharp · Console

/Program.cs

using System;
using System.Linq;
using System.Collections.Generic;
					
public class Program
{
	public static void Main()
	{
		string input = "catfish";
		
		var mammals = new [] {"dog", "cat", "human", "dolphin"};
		
		var result = input.EqualsAny(mammals);
		
		Console.WriteLine(result);
	}
}

public static class StringExtensions {
	
	public static bool EqualsAny(this string str, IEnumerable<string> validStrings) {
		return validStrings.Any(v => v == str);
	}
}