You are playing the Regex Pattern Matcher game against gpt-4o-mini.

Game history:
Turn 1: gpt-4o-mini proposed text with target items: ["test.email+regex@gmail.com","my_email@domain.co.uk","example@sub.domain.com","(123) 456-7890","098-765-4321","+1 234 567 8910","2023/10/25","25-10-2023","October 25, 2023","ID-123-ABC","abcd-4567-efgh","XY-90-abcde"]
gpt-4o provided pattern: (test\.email\+regex@gmail\.com|my_email@domain\.co\.uk|example@sub\.domain\.com|\(123\) 456-7890|098-765-4321|\+1 234 567 8910|2023/10/25|25-10-2023|October 25, 2023|ID-123-ABC|abcd-4567-efgh|XY-90-abcde) (SUCCESS)

Current turn: 2 of 10
You are the PROPOSER.

Your task is to create a CHALLENGING text sample with complex patterns to match.
Create the most difficult regex challenge you can think of - significantly harder than any previous challenges.

Guidelines for creating a DIFFICULT challenge:
1. Use complex patterns that require advanced regex techniques to match.
2. Include multiple pattern types that must b... (truncated)