namespace _03.Replace_Anchor_Tag

{

    using System;

    using System.Text;

    using System.Text.RegularExpressions;

​

    public class ReplaceAnchor

    {

        public static void Main(string[] args)

        {

            string inputLine = Console.ReadLine();

            while (true)

            {

                if (inputLine == "end")

                {

                    break;

                }

                else

                {

                    string result = Regex.Replace(inputLine, @"<a.*?href.*?=(.*?)>(.*?)<\/a>", @"[URL href=$1]$2[/URL]");

​

                    Console.WriteLine(result);

​

                    inputLine = Console.ReadLine();

                }

            }

        }

    }

}