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  1. #include <iostream>
  2. #include <string>
  3. #include <regex>
  4. using namespace std;
  5.  
  6. int main() {
  7. 	std::regex e ("[[:alpha:]]");
  8. if(std::regex_match("A",e))
  9.      std::cout<<"hi";
  10.   else
  11.      std::cout<<"no";
  12. 	return 0;
  13. }
Success #stdin #stdout 0s 4312KB
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Standard input is empty
stdout
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hi
https://ideone.com/de1xKB
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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