Match Numbers

using System;
using System.Text.RegularExpressions;

namespace _08.Match_Numbers
{
    class Program
    {
        static void Main(string[] args)
        {
            string input = Console.ReadLine();

            var match = Regex.Matches(input, @"(^|(?<=\s))-?\d+(\.?\d+)?($|(?=\s))");
            foreach (Match item in match)
            {
                Console.Write(item.Value+" ");
            }
        }
    }
}