The provided pattern is a series of alternatives, each matching one of the target items exactly. It uses non-capturing groups and character classes to ensure precise matching, avoiding unnecessary complexity and ensuring that only the specified items are matched. The pattern is: (?:user.name+tag@example-domain.com|(+1) 123-456-7890|2023/08/15|15-08-2023|$1,234.56|€12.345,67|https://www.example.com/path/to/resource?arg=val#anchor|ftp://files.example.com/downloads/file.zip|ID_ABC-123-XYZ|#A_B-C123)