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  1. #include <iostream>
  2. #include <string>
  3. #include <regex>
  4. using namespace std;
  5.  
  6. int main() {
  7. 	std::regex  re("\\w+");
  8. 	std::string subject("This is a test test");
  9.  
  10. 	std::ptrdiff_t match_count(std::distance(
  11. 	    std::sregex_iterator(subject.begin(), subject.end(), re),
  12. 	    std::sregex_iterator()));
  13.  
  14. 	std::cout << match_count << std::endl;
  15. 	return 0;
  16. }
Success #stdin #stdout 0s 15328KB
comments (?)
stdin 
Standard input is empty
stdout 
5
https://ideone.com/yHpnWx
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
secret

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