Problem_2._Emoji_Detector_FinalExam_04._04._20

using System;
using System.Linq;
using System.Collections.Generic;
using System.Text.RegularExpressions;

namespace Problem_2._Emoji_Detector_FinalExam_04._04._20
{
    class Program
    {
        static void Main(string[] args)
        {


            string input = Console.ReadLine();
            string pattern = @"(::|\*\*)(?<emoji>[A-Z][a-z]{2,})\1";

            string pattDigits = @"\d";
            MatchCollection matchesDigits = Regex.Matches(input, pattDigits);


            decimal coolThreshold = 1;

            foreach (Match digit in matchesDigits)
            {
                coolThreshold *= decimal.Parse(digit.Value);
            }

            MatchCollection matchesEmojies = Regex.Matches(input, pattern);

            List<string> coolEmojis = new List<string>();

            foreach (Match emoji in matchesEmojies)
            {

                string currentEmoji = emoji.Groups["emoji"].Value;
                decimal currSum = 0;

                for (int i = 0; i < currentEmoji.Length; i++)
                {
                    char currentLet = currentEmoji[i];
                    currSum += (decimal)(currentLet);
                }

                if (coolThreshold <= currSum)
                {
                    coolEmojis.Add(emoji.Value);

                }

            }
            int countOfEmojies = matchesEmojies.Count;

            Console.WriteLine($"Cool threshold: {coolThreshold}");
            Console.WriteLine($"{countOfEmojies} emojis found in the text. The cool ones are:");
            foreach (string emoji in coolEmojis)
            {
                Console.WriteLine(emoji);
            }

        }
    }
}