{"content":"I'm designing an exceptionally difficult challenge that combines multiple advanced regex concepts. This text sample includes:\n1. Non-standard valid emails mixed with invalid ones (requiring precise email validation)\n2. IPv4 and IPv6 addresses (with decoy similar-looking strings)\n3. Various date formats (YYYY-MM-DD, DD/MM/YYYY, MM-DD-YY) with validation needs\n4. Product codes with complex patterns requiring specific validation rules\n5. Strings that would trick greedy matching\n6. Items requiring negative lookahead/lookbehind to properly match\n7. Patterns where word boundaries and anchors are critical\n8. Strings that would confuse capturing groups","function_call":{"name":"make_move","arguments":"{\"reasoning\": \"I'm designing an exceptionally difficult challenge that combines multiple advanced regex concepts. This text sample includes:\\n1. Non-standard valid emails mixed with invalid ones (requiring precise email validation)\\n2. IPv4 and IPv6 addresses (with decoy ... (truncated)