{"content":"I'm creating an extremely difficult challenge that combines multiple tricky pattern types:\n1. Emails with unusual formats, including quoted sections, IP addresses, and uncommon TLDs\n2. URLs with complex query parameters, fragments, and special characters\n3. Product codes with multiple formats but subtle differences in what should match\n4. Phone numbers with international formats and extensions\n5. IPv6 addresses mixed with similar-looking but invalid formats\n6. Credit card numbers with specific validations\n7. Look-alike patterns where subtle differences determine matches\n8. JSON-like structures where only valid ones should match\n\nThis will require careful use of anchors, lookaheads/lookbehinds, character classes, non-capturing groups, and precise pattern construction.","function_call":{"name":"make_move","arguments":"{\"reasoning\": \"I'm creating an extremely difficult challenge that combines multiple tricky pattern types:\\n1. Emails with unusual formats, includi... (truncated)