std::regex_error
From cppreference.com
                    
                                        
                    
                    
                                                            
                    |   Defined in header <regex>
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|   class regex_error : public std::runtime_error {   public:  | 
(since C++11) | |
Defines the type of object thrown as exceptions to report errors from the regular expressions library.
[edit] Member functions
|   constructs a regex_error object  (public member function)  | |
|    gets the std::regex_constants::error_type for a regex_error   (public member function)  | |
Inherited from std::exception
Member functions
|    [virtual]  | 
  destructs the exception object  (virtual public member function of std::exception)  | 
|    [virtual]  | 
   returns explanatory string  (virtual public member function of std::exception)  |