using System;
using System.Collections.Generic;
using System.Linq;
using System.IO;
using System.Text.RegularExpressions;
namespace Searcher
{
    public class Searcher
    {

        static void Main(string[] args)
        {
            //String fileName = @"C:\Documents and Settings\9chat73\Desktop\count.txt";

            // To search dinamically, just ask for a file:
            Console.WriteLine("Enter a file to search");

            String fileName = Console.ReadLine().Trim();

            if (File.Exists(fileName))
            {
                var readOnlyFile = File.ReadAllText(fileName);
                Console.WriteLine("===============================");
                foreach (var words in readOnlyFile)
                {
                    Console.Write(words);
                }
                Console.WriteLine("===============================");

                Console.WriteLine("Type a word to search");
                String pattern = "\\b";
                pattern += Console.ReadLine();
                pattern += "\\b";
                // Do not forget to escape the pattern!
                int count = Regex.Matches(File.ReadAllText(fileName),
                                         pattern,
                                          RegexOptions.IgnoreCase).Count;
                // IgnoreCase = ignore case sens
                Console.WriteLine(count);
            }
            else
            {
                Console.WriteLine("File Not Found");
            }

            Console.ReadLine();
        }

    }
}