02.Emoji_Detector

using System;
using System.Linq;
using System.Numerics;
using System.Text;
using System.Text.RegularExpressions;

namespace _02.Emoji_Detector
{
    class Program
    {
        static void Main(string[] args)
        {
            string input = Console.ReadLine();

            //emoji matches:
            string regex = @"(::|\*\*)(?<emojis>[A-Z][a-z]{2,})(\1)";
            MatchCollection matches = Regex.Matches(input, regex);

            //numbers matches:
            Regex numRegex = new Regex(@"\d");
            MatchCollection numMatches = numRegex.Matches(input);

            int coolTreshold = 1;
            foreach (Match numMatch in numMatches)
            {
                coolTreshold *= int.Parse(numMatch.Value);
            }

            Console.WriteLine($"Cool threshold: {coolTreshold}");
            int emojiCharSum = 0;
            int emojiCount = 0;
            foreach (Match match in matches)
            {
                emojiCount++;
            }
            Console.WriteLine($"{emojiCount} emojis found in the text. The cool ones are:");

            foreach (Match match in matches)
            {
                var charValues = Encoding.ASCII.GetBytes(match.Groups["emojis"].Value);
                foreach (var charVal in charValues)
                {
                    emojiCharSum += charVal;
                }

                if (coolTreshold < emojiCharSum)
                {
                    Console.WriteLine(match.Value);
                }

                emojiCharSum = 0;
            }
        }
    }
}