{"content":"I’m creating a maximally difficult challenge requiring advanced pattern matching, with multiple tricky patterns to test negative/positive lookarounds, optional groups, complex alternations, advanced phone/email formats, date and IP validation, and more.","function_call":{"name":"make_move","arguments":"{\n  \"reasoning\": \"I’m creating a maximally difficult challenge requiring advanced pattern matching, with multiple tricky patterns to test negative/positive lookarounds, optional groups, complex alternations, advanced phone/email formats, date and IP validation, and more.\",\n  \"move\": {\n    \"text\": \"Below is a long and tangled text with multiple potential patterns—some valid, some intended as red herrings. Your challenge is to craft ONE single, extremely advanced regex to match ONLY the valid instances in each category (and ignore the invalid look-alikes). Good luck!\\n\\nEMAILS:\\n   1) test.user+regex@sub.example.com\\n   2) john-doe@sub2.example.co.uk\\n   3) not... (truncated)