using System;                   

using System.Globalization;

using System.Text.RegularExpressions;

public class Program

{

    public static void Main()

    {

        ParseCoordinates("POINT(4,8973 52,3766)");

    }

    private static readonly Regex PointRegex = new Regex(@"^POINT\((-?\d+.\d+) (-?\d+.\d+)\)$", RegexOptions.Compiled | RegexOptions.IgnoreCase, TimeSpan.FromMinutes(2)); 

    public static string ParseCoordinates(string point)

    {

            if (string.IsNullOrWhiteSpace(point))

                return null;

            var match = PointRegex.Match(point);

​

            if (match.Success){

                Console.WriteLine("Latitude: " + double.Parse(match.Groups[1].Value, new CultureInfo("en-US", false)));

                Console.WriteLine("Longitude: " + double.Parse(match.Groups[2].Value, new CultureInfo("en-NL", false)));               

            }

        return "";

        }

}