#include <iostream>
#include <string>
#include <algorithm>
int main()
{
std::string text = "Hello. This is a test string.\n";
text.erase(
std::remove_if(text.begin(), text.end(), [](char c) {
std::string vowels = "aeiouAEIOU";
return vowels.find(c) != std::string::npos;
}),
text.end()
);
std::cout << "String without vowels: " << text << std::endl;
return 0;
}