using System;
using System.Text.RegularExpressions;

public class Test
{
	public static void Main()
	{
	    var input = "COMMAND STATUS {OBJECT1}{OBJECT2} \"TEXT1\" \"TEXT2\" ";
        var regex = "(?<command>.+?) (?<status>.+?) (?<objects>\\{.+?\\})+ (?:(?<texts>\".+?\") ?)+";

        var match = Regex.Match(input, regex);

        Console.WriteLine("command: {0}", match.Groups["command"]);
        Console.WriteLine("status: {0}", match.Groups["status"]);

        foreach (var @object in match.Groups["objects"].Captures)
            Console.WriteLine("object: {0}", @object);

        foreach (var text in match.Groups["texts"].Captures)
            Console.WriteLine("text: {0}", text);
	}
}