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

public class Test
{
	public static void Main()
	{
		string pattern = @"\A(?:\.(?<exName>[A-Za-z]+)\((?<exVal>[^()]*)\))+\z";
		
		var strings = new List<string>() {
		    ".Foo().Bar(20).Baz(Hello)",
		    ".Foo().Bar(30)k.Baz(Hi)hgjfvg",
		    ".Foo(test).Bar(40).Baz(Bye)"
		    };
		foreach (var input in strings)
		{
		    foreach (Match m in Regex.Matches(input, pattern))
		    {
		        m.Groups["exName"]
		        .Captures.Select(c => c.Value)
		        .Zip(
		            m.Groups["exVal"].Captures.Select(c => c.Value),
		            (exName, exVal) => exName + " -> " + exVal
		        ).ToList()
		        .ForEach(s => Console.WriteLine(s));
		        Console.WriteLine("---------------");
		    }
		}
	}
}