{"content":"I'm creating an extremely difficult challenge requiring advanced techniques like lookbehind/lookahead, careful handling of special characters, optional elements, ordinal suffixes, Punycode domains, zone indices, nested parentheses, phone formats with unusual punctuation, and more. Users must avoid matching close but incorrect decoys.","function_call":{"name":"make_move","arguments":"{\n  \"reasoning\": \"I'm creating an extremely difficult challenge requiring advanced techniques like lookbehind/lookahead, careful handling of special characters, optional elements, ordinal suffixes, Punycode domains, zone indices, nested parentheses, phone formats with unusual punctuation, and more. Users must avoid matching close but incorrect decoys.\",\n  \"move\": {\n    \"text\": \"Here is a truly challenging set of patterns to match, plus some tricky decoys:\\n\\n1) Email with punycode domain:\\n   - CORRECT: super+complex_email%tag@sub-domain.xn--mchhausen-9db.example.org\\n   - DECOY:... (truncated)