using System;
using System.Globalization;
using System.Linq;
 
public class Test
{
	public static void Main()
	{
        var cultures = new[] { "el-GR", "en-US" }.Select(CultureInfo.GetCultureInfo);
        var inputs = new[] { "1.000,41", "1,000.41", "1,000,41", "1,00041", "-1,00041", "1.00.41" };
        double temp = 0;
 
        foreach (var input in inputs) {
            var d = cultures.Where(c => double.TryParse(input, NumberStyles.Number, c.NumberFormat, out temp)).Select(c => temp).OrderBy(Math.Abs).First();
            Console.WriteLine("Parsing {0} gives {1}", input, d);
        }
	}
}

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