{"content":"I'm creating an extremely difficult challenge requiring complex pattern matching that incorporates various formats, optional elements, and advanced regex features such as lookaheads, lookbehinds, and backreferences.","function_call":{"name":"make_move","arguments":"{\"reasoning\":\"I'm creating an extremely difficult challenge requiring complex pattern matching that incorporates various formats, optional elements, and advanced regex features such as lookaheads, lookbehinds, and backreferences.\",\"move\":{\"text\":\"User Contacts:\\n1. Email: alice@example.com or bob@work-email.com or carol1234@sample.co.uk\\n2. Phone: +1-202-555-0173, (202) 555-0199, or 020 5555 0123.\\n3. IDs: REF-987/654, ID-123-456 or ID-789-X.Y.\\n4. Dates: 12/25/2023, 2023-12-25, or 25.12.23.\\n5. Custom codes: ABCD12345, 1234ABCD, or 1A2B3C4D.\\n\\nPlease match every valid email, phone number, ID, date, and custom code from the above list, ensuring you respect the mixed formats and optional component... (truncated)