using System;

using System.Text.RegularExpressions;

public class Program

{

    public static void Main()

    {

         var linkParser = new Regex(@"\b(?:https?://|www\.)\S+\b", RegexOptions.Compiled | RegexOptions.IgnoreCase);

​

            foreach (Match m in linkParser.Matches("http://ahaliagroup.com/ahm/  http://ahaliagroup.com/ahm/one  http://ahaliagroup.com/ahm/two  http://ahaliagroup.com/hhh/  http://ahaliagroup.com/abv"))

            {

                Console.WriteLine(m.Value);

            }

    }

}