using System;
using System.Globalization;
using System.Text.RegularExpressions;

public class Test
{
	public static void Main()
	{
		string marketName = "Bleb 0.2sdsfsdfsdf sdsadfsad.";
            	marketName = Regex.Replace(marketName, "[^.0-9]", "");
            	
		double result;
		Console.WriteLine(double.TryParse(marketName, NumberStyles.AllowDecimalPoint, CultureInfo.InvariantCulture, out result));
		Console.WriteLine(result);
	}
}