fork download 
  1. #include <iostream>
  2. #include <regex>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	string line = "echo                7/tcp\n";
  7. 	string regexStr = "^([A-Za-z][^ ]*)\\s+(\\d{1,5})/(tcp|udp)\\b[\\s\\S]*";
  8. 	regex rg(regexStr); 
  9. 	smatch sm;
  10. 	if (regex_match(line, sm, rg)) {
  11. 			std::cout << sm[1] << std::endl;
  12. 			std::cout << sm[2] << std::endl;
  13. 			std::cout << sm[3] << std::endl;
  14. 		}
  15. 	return 0;
  16. }
Success #stdin #stdout 0s 3496KB
comments (?)
stdin 
Standard input is empty
stdout 
echo
7
tcp
https://ideone.com/h8upfl
language:
C++14 (gcc 8.3)
created:
10 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!