using System;

using System.Linq;

public class Program

{

    public static void Main()

    {

        var containsTrue = containsWords("Deleted 8/1/19 9:59 AM by a1cf5e59-bab6-4d0d-b558-3c7700876ebc", "Deleted", "by", "a1cf5e59-bab6-4d0d-b558-3c7700876ebc");

        if (containsTrue) { Console.WriteLine("yes"); } else { Console.WriteLine("no"); }

        var containsFalse = containsWords("Deleted 8/1/19 9:59 AM by [someguid]", "Deleted", "by", "a1cf5e59-bab6-4d0d-b558-3c7700876ebc");

        if (containsFalse) { Console.WriteLine("yes"); } else { Console.WriteLine("no"); }  

        var containsTrueOrder = containsWordsInOrder("Deleted 8/1/19 9:59 AM by a1cf5e59-bab6-4d0d-b558-3c7700876ebc", "Deleted", "by", "a1cf5e59-bab6-4d0d-b558-3c7700876ebc");

        if (containsTrueOrder) { Console.WriteLine("yes"); } else { Console.WriteLine("no"); }

        var containsFalseOrder = containsWordsInOrder("Deleted 8/1/19 9:59 AM by a1cf5e59-bab6-4d0d-b558-3c7700876ebc", "Deleted", "a1cf5e59-bab6-4d0d-b558-3c7700876ebc", "by");

        if (containsFalseOrder) { Console.WriteLine("yes"); } else { Console.WriteLine("no"); } 

    }

    private static bool containsWords(string str, params string[] words)

    {

        var splitStr = str.Split(' ');

        return words.All(x => splitStr.Any(y => y == x));

    }

    private static bool containsWordsInOrder(string str, params string[] words)

    {

        var splitStr = str.Split(' ');

        var index = 0;

        foreach(var word in words)

        {

            while(index < splitStr.Length && word != splitStr[index]) { index++; }

        }

        return index < splitStr.Length; 

    }

​

}