C# to read python format string

String2Array.cs

	// input: [1,2] 
	public static int[] ParseOneDimArray(string str)
	{
		string text = str.Substring(1, str.Length-2);
		int [] arrayint = text.Split(',').Select(x=> int.Parse(x)).ToArray();
		return arrayint;
	}

	// input: [[1,2],[3,4]]
	public static int[][] ParseTwoDimArray(string str)
	{
		List<int[]> list = new List<int[]>();
		var regex = new Regex(@"\[(\-*\d*)(,\-*\d+)*\]",
				RegexOptions.Compiled | RegexOptions.IgnoreCase);
		string text = str.Substring(1, str.Length-2);         
		MatchCollection matches = regex.Matches(text);

		// Report on each match.
		foreach (Match match in matches)
		{
			GroupCollection groups = match.Groups;
			//Console.WriteLine("match:{0}", match.Value);
			foreach(Group group in groups)
			{
				// Console.WriteLine("group {0}:{1}", group.Index, group.Value);
			}
			string arraystr = match.Value;
			text = arraystr.Substring(1, arraystr.Length-2);
			int [] arrayint = text.Split(',').Select(x=> int.Parse(x)).ToArray();
			list.Add(arrayint);
		}

		return list.ToArray();
	}

	public static string Array1ToString(int [] array)
	{
		string str = "[" + string.Join(',', array) + "]";
		return str;
	}

	public static string Array2ToString(int[][] array)
	{
		string [] ss = array.Select(x=> "[" + string.Join(',', x) + "]").ToArray();
		string str = "[" + string.Join(',', ss) + "]";
		return str;
	}