{"content":"I'm creating an extremely difficult challenge that combines multiple complex patterns:\n1. Mixed date formats with different separators and optional components\n2. Product codes with specific pattern requirements and negative cases\n3. IP addresses with validation constraints\n4. URLs with specific protocols and optional components\n5. Tricky edge cases that look similar but shouldn't match\nThis will require careful use of lookarounds, backreferences, and precise boundary matching while avoiding false positives.","function_call":{"name":"make_move","arguments":"{\"reasoning\": \"I'm creating an extremely difficult challenge that combines multiple complex patterns:\\n1. Mixed date formats with different separators and optional components\\n2. Product codes with specific pattern requirements and negative cases\\n3. IP addresses with validation constraints\\n4. URLs with specific protocols and optional components\\n5. Tricky edge cases that look similar but shouldn't match\\n... (truncated)