using System;
using System.Text.RegularExpressions;
namespace ConsoleApplication_C_Sharp
{
class Program
{
static void Main(string[] args)
{
var s = "c# vb.net (c c++)";
var output = Regex.Replace(s, @" ?\(.*?\)", string.Empty);
Console.WriteLine(output);
}
}
}
/*
run:
c# vb.net
*/