using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        List<string> guids = new List<string>

        {

            @"2e4ac523-dbab-4af7-a4b8-00f64a174edb",

            @"  f8353cf7-cb6f-4286-a128-610b7a7bf308 

            ",

            @"88ce4296-b29f-4509-94bc-1e05f0109416

            -",

            @"not a guid",

            @"      

            not a guid with spaces and new lines      

            ",

        };

        foreach(var stringGuid in guids)

        {

            Console.WriteLine("*****************************************************************");

            if(Guid.TryParse(stringGuid.Trim(), out var result))

            {

                Console.WriteLine($"{result} is valid!!");

            } else {

                Console.WriteLine($"'{stringGuid}' is not a valid Guid");

            }

        }

    }

}