std::basic_string_view::rbegin, std::basic_string_view::crbegin
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                    < cpp | string | basic string view
                    
                                                            
                    | constexpr const_reverse_iterator rbegin() const; | (since C++17) | |
| constexpr const_reverse_iterator crbegin() const; | (since C++17) | |
Returns a reverse iterator to the first character of the reversed view. It corresponds to the last character of the non-reversed view.
Parameters
(none)
Return value
const_reverse_iterator to the first character
Exceptions
noexcept specification:  
noexcept
  Complexity
Constant
See also
| returns a reverse iterator to the end (public member function) |