using System;

using System.Text.RegularExpressions;

​

public class Program

{

    public static void Main()

    {

        string input = @"12345678 

        password

        123456789

        12345678 

        11111111 

        1234567 Up 1

        sunshine 

        iloveyou

        krishnNA@45

        Krishna$123

        [A-Za-z]&([0-9]|[speacial])";

        parse(input);

        string pattern = @"(?=.*[\d])(?=.*[A-Z])(?=.*[a-z])(?=.*[!""#$%&\'()*+,-.\/:;<=>?@[\]^_`{|}~])[\w\d!""#$%&\'()*+,-.\/:;<=>?@[\]^_`{|}~]{8,40}";

        var watch1 = new System.Diagnostics.Stopwatch();

        watch1.Start();

        Match m = Regex.Match(input, pattern);

        //Console.WriteLine("'{0}' found at index {1}", m.Value, m.Index);

        watch1.Stop();

        Console.WriteLine("RegEx parser {0}", watch1.Elapsed);

        Console.WriteLine("Hello World");

    }

​

    public static void parse(string input)

    {

        var watch = new System.Diagnostics.Stopwatch();

        var parserState = new ParserState();

​

        watch.Start();

        if(input.Length>9)

        {

            foreach (var ch in input)

            {

                var code = (int)ch;

                if (code > 64 && code < 91 || code > 96 && code < 123)

                {

                    parserState.alphabet++;

                }

                else if (code > 47 && code < 58)

                {

                    parserState.numberic++;

                }

                else

                {

                    parserState.symbol++;

                }

            }

        }

        watch.Stop();

        Console.WriteLine("parser {0}", watch.Elapsed);

    }

}

​

class ParserState {

    public int alphabet { get; set; }

    public int numberic { get; set; }

    public int symbol { get; set; }

}