01. Extract Emails

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

namespace _5.Magic_exchangeable_words
{
    class Program
    {
        static void Main(string[] args)
        {
            string patter = @"[A-Za-z.-0-9._]+@[A-Za-z.-]+[A-Za-z]+\.-?\w+";

            Regex regex = new Regex(patter);

            string text = Console.ReadLine();

            MatchCollection matches = regex.Matches(text);

            foreach (Match match in matches)
            {
                Console.WriteLine(match);
            }
        }
    }
}