{"content":"I'm creating an extremely difficult challenge that combines advanced regex features such as matching multiple formats with varying separators and structures, handling emails with special characters and subdomains, phone numbers with optional country codes and various layouts, dates in different delimiters, and custom alphanumeric codes that require careful backreference patterns. The text sample includes potential trap elements that might match naive patterns but must be carefully excluded or correctly matched only when they are exact matches. This will push regex experts to design a pattern that uses advanced alternation, proper escaping, lookaheads, and optional groups to meet all criteria in one shot.","function_call":{"name":"make_move","arguments":"{\"reasoning\": \"I'm creating an extremely difficult challenge that combines advanced regex features such as matching multiple formats with varying separators and structures, handling emails with special characters and subd... (truncated)