fork(30) download
copy 
  1. #include <iostream>
  2. #include <regex>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	std::string pattern("A|D");
  7. 	std::regex rx(pattern);
  8.  
  9. 	std::string s("ABCDEABCABD");
  10. 	std::ptrdiff_t number_of_matches = std::distance(
  11.     	std::sregex_iterator(s.begin(), s.end(), rx),
  12.     	std::sregex_iterator());
  13.  
  14. 	std::cout << number_of_matches << std::endl;
  15. 	return 0;
  16. }
Success #stdin #stdout 0s 3544KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
5
https://ideone.com/YzXgQN
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!