std:: swap (std::basic_regex)

From cppreference.com
template < class CharT, class Traits >
void swap ( basic_regex < CharT, Traits > & lhs, basic_regex < CharT, Traits > & rhs ) noexcept ;
(since C++11)

Overloads the std::swap algorithm for std::basic_regex . Exchanges the state of lhs with that of rhs . Effectively calls lhs. swap ( rhs ) .

Parameters

lhs, rhs - regular expressions to swap

Return value

(none)

Example

See also

swaps the contents
(public member function)