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  1. #include <regex>
  2. #include <iostream>
  3.  
  4. using namespace std;
  5.  
  6. int main() {
  7.     try {
  8.         regex R(R"(^([^;]+);(?:\s*([^=]+)=((\"?)([^\"]*)\4);?)*$)");
  9.         string s("attached; filename=\"Hello, world!.docx\"");
  10.         smatch m;
  11. 		if (regex_search(s, m, R)) {
  12. 			std::cout << m[0] << std::endl;
  13. 		}
  14.     }
  15.     catch (const regex_error& e) {
  16.         cout << "regex_error caught: " << e.what() << '\n';
  17.         if (e.code() == regex_constants::error_brack) {
  18.             cout << "The code was error_brack\n";
  19.         }
  20.     }
  21.     return 0;
  22. }
Success #stdin #stdout 0s 4824KB
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stdin
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Standard input is empty
stdout
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attached; filename="Hello, world!.docx"
https://ideone.com/kunuYx
language:
C++ (gcc 8.3)
created:
3 years ago
visibility:
public

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