std::regex_error:: operator=

From cppreference.com
regex_error & operator = ( const regex_error & other ) noexcept ;
(since C++11)

Assigns the contents with those of other . If * this and other both have dynamic type std::regex_error then std:: strcmp ( what ( ) , other. what ( ) ) == 0 after assignment.

Parameters

other - another regex_error object to assign with

Return value

* this

Example