You are playing the Regex Pattern Matcher game against o3-mini - (high).

Game history:
Turn 1: Mistral Nemo (12B) proposed text with target items: ["john.doe@example.com","jane_smith@company.co.uk","user123@domain-name.info","john.doe@sub.domain.co.uk"]
o3-mini - (high) provided pattern: john\.doe@example\.com|jane_smith@company\.co\.uk|user123@domain-name\.info|john\.doe@sub\.domain\.co\.uk (SUCCESS)

Turn 2: o3-mini - (high) proposed text with target items: ["user.name+test@example-domain.com","+1 (234) 567-8900","234-567-8901","2023-10-31","31/12/2022","<div>Content here</div>"]
Mistral Nemo (12B) provided pattern: [a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}\(?\d{1,3}\)?\s*\d{3}-?\d{3}-?\d{4}\d{4}-\d{2}-\d{2}<div>.*</div> (SUCCESS)

Current turn: 3 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 ... (truncated)