using System;
using System.Text.RegularExpressions;
class Program
{
static String remove_vowels(String str) {
return Regex.Replace(str, "[aeiouAEIOU]", "");;
}
static void Main() {
String str = "C++ C-Sharp PHP Java Python VB.NET Rust";
Console.Write(remove_vowels(str));
}
}
/*
run:
C++ C-Shrp PHP Jv Pythn VB.NT Rst
*/