using System;
using System.Text.RegularExpressions;
using System.Linq;

public class Test
{
	public static void Main()
	{
		var s = "lat range: 49.000000 to 50.000000 actual lat 49.212059 lon range: 16.000000 to 17.000000 actual lon 16.626276";
		var pattern = @"actual (lat|lon) (?<val>\d+\.\d{1,6})|(?<val>\d+\.\d{1,6}) (lat|lon)";
		var results = Regex.Matches(s, pattern)
			.Cast<Match>()
			.Select(m => m.Groups["val"].Value)
			.ToList();
		Console.WriteLine(string.Join("\n", results));
	}
}