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  1. #include <regex>
  2. #include <string>
  3. #include <iostream>
  4. using namespace std;
  5.  
  6. int main() {
  7. 	std::string regexp_string(R"(([a-z])\1)");
  8. 	std::regex regexp_to_match(regexp_string);
  9. 	std::string target("abbab");
  10. 	std::smatch matched_regexp;
  11. 	if (std::regex_search(target, matched_regexp, regexp_to_match)) {
  12. 		std::cout << matched_regexp.str() << std::endl;
  13. 	}
  14. 	return 0;
  15. }
Success #stdin #stdout 0s 16160KB
comments (?)
stdin 
Standard input is empty
stdout 
bb
https://ideone.com/EXwO6T
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
secret

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