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  1. #include <regex>
  2. #include <exception>
  3. #include <iostream>
  4.  
  5. int main(int argc, char *argv[])
  6. {
  7.   std::regex reg;
  8.   try{
  9.     reg = std::regex(".*[a-zA-Z]+.*");
  10.   }
  11.   catch(std::regex_error &e){
  12.     std::cout << e.what() << std::endl;
  13.     std::cout << e.code() << std::endl;
  14.     if (e.code() == std::regex_constants::error_brack)
  15.       std::cerr << "The expression contained mismatched brackets ([ and ]).\n";
  16.   }
  17.   return 0;
  18. }
Success #stdin #stdout #stderr 0s 3500KB
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stdin
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Standard input is empty
stdout
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regex_error
4
stderr
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The expression contained mismatched brackets ([ and ]).
https://ideone.com/SDqv0e
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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