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  1. #include <regex>
  2. #include <string>
  3. #include <iostream>
  4. using namespace std;
  5.  
  6. int main(){
  7. 	regex r("([(<1)((<1))])((<1)(>1))*([(>1)((>1))])");
  8. 	regex r2("[(<1)(<1)]");
  9. 	regex r3("[(ab)(cd)]");
  10.  
  11. 	cout << (regex_match("<1>1", r) ? "YES" : "NO") << endl;
  12. 	cout << (regex_match("<1", r2) ? "YES" : "NO") << endl;
  13. 	cout << (regex_match("cd", r3) ? "YES" : "NO") << endl;
  14. }
Success #stdin #stdout 0s 15344KB
comments (?)
stdin 
Standard input is empty
stdout 
NO
NO
NO
https://ideone.com/8HAuEk
language:
C++14 (clang 8.0)
created:
7 years ago
visibility:
public

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