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  1. #include <regex>
  2. #include <string>
  3. #include <iostream>
  4. using namespace std;
  5.  
  6. int main() {
  7.  
  8.     cout<<std::regex_match("ab", std::regex("(a|ab)")) << std::endl;
  9.     cout<<std::regex_match("ab", std::regex("(ab|a)")) << std::endl;
  10.  
  11.     return 0;
  12. }
Success #stdin #stdout 0s 16160KB
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stdin 
Standard input is empty
stdout 
1
1
https://ideone.com/gUm6cL
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
secret

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