using System;

using System.Text.RegularExpressions;

​

public class Program

{

    public static void Main()

    {

        string text = "OBITUARY | Apostle Herman S. McCray of Greensboro, North Carolina ...He received a word from the Lord (Genesis 13: 1-3) during one of his revivals. He stepped out on faith and moved to Greensboro, NC where he immediately began  ...none found";

        Regex rgx = new Regex(@"\b(OBITUARY|HERMAN|MCCRAY|GREENSBORO|NC|NORTH|CAROLINA|46|47|45|AUGUST)\b", RegexOptions.Multiline | RegexOptions.IgnoreCase);

                        int MatchWordCount = 11;

                        var Matches = rgx.Matches(text).Count;

​

​

                        double Score = (((double)Matches / (double)MatchWordCount) * 100.0);

        Console.WriteLine(MatchWordCount);

        Console.WriteLine(Score);

        Console.WriteLine(Matches);

    }

}