I'm creating an extremely challenging challenge that mixes multiple complex patterns. The text sample includes valid email addresses with special characters, phone numbers in varied formats (with international codes, parenthesized area codes, dots, and simple hyphenated local numbers), dates in multiple formats with different separators, and mirror ID codes requiring backreferences (the last three letters are the reverse of the first three). Additionally, decoy invalid items are interspersed to ... (truncated)