using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

public class Test
{
	public static void Main()
	{
		var pattern = @"\(([^,()]+),([^,()]+)\)";
        var str = "Test (1001,Sunday)";
        var match = Regex.Match(str, pattern);
        if (match.Success) {
            Console.WriteLine(match.Groups[1]);
            Console.WriteLine(match.Groups[2]);
        }
	}
}