std::swap(std::match_results)
From cppreference.com
                    
                                        
                    < cpp | regex | match results
                    
                                                            
                    |   Defined in header  <regex>
  | 
||
|   template< class BidirIt, class Alloc > void swap( match_results<BidirIt,Alloc>& x1,  | 
(since C++11) | |
Specializes the std::swap algorithm for std::match_results. Exchanges the contents of x1 with those of x2. Effectively calls x1.swap(x2).
Parameters
| x1, x2 | - | the match_results objects whose contents will be swapped | 
| Type requirements | ||
 -BidirIt must meet the requirements of LegacyBidirectionalIterator.
 | ||
 -Alloc must meet the requirements of Allocator.
 | ||
Return value
(none)
Example
| This section is incomplete Reason: no example  | 
See also
|   swaps the contents  (public member function)  |