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

public class Test
{
	public static void Main()
	{
		var str = "something, 'foo', something ('bar')";
    	var result = Regex.Matches(str, @"\([^()]*\)|'([^']*)'")
	    	.Cast<Match>()
	    	.Select(m => m.Groups[1].Value)
	    	.ToList();
        foreach (var s in result)
        	Console.WriteLine(s);
	}
}