{"text": "Pattern Recognition Test Database\n\nValid Serial Numbers (Format: 2 uppercase letters, hyphen, 6 digits, hyphen, 2 uppercase letters):\n- Product: AB-123456-CD (Active)\n- Product: EF-789012-GH (Active)\n- Product: IJ-345678-KL (Inactive)\n- Product: MN-901234-OP (Pending)\n\nInvalid Serial Numbers:\n- Format Error: AB-12345-CD (Too few digits)\n- Format Error: AB-1234567-CD (Too many digits)\n- Format Error: Ab-123456-CD (Lowercase letter in prefix)\n- Format Error: AB-123456-Cd (Lowercase letter in suffix)\n- Format Error: AB_123456_CD (Wrong separator)\n- Format Error: 12-123456-CD (Numbers instead of letters)\n- Format Error: AB-12345X-CD (Letter in number section)\n\nValid Date-Time Formats (ISO-8601 with 'T' separator and timezone):\n- Created: 2023-12-15T09:45:23Z (Record 1)\n- Created: 2023-01-05T14:30:15+01:00 (Record 2)\n- Created: 2023-06-28T22:15:40-07:00 (Record 3)\n- Created: 2023-11-30T08:05:30.123Z (Record 4)\n\nInvalid Date-Time Formats:\n- Format Error: 2023/12/15T09:45:23Z (Wrong date separator)\n- Format Error: 2023-12-15 09:45:23Z (Missing 'T' separator)\n- Format Error: 2023-12-15T09:45:23 (Missing timezone)\n- Format Error: 12-15-2023T09:45:23Z (Wrong date format)\n- Format Error: 2023-13-15T09:45:23Z (Invalid month)\n- Format Error: 2023-12-32T09:45:23Z (Invalid day)\n- Format Error: 2023-12-15T25:45:23Z (Invalid hour)\n\nValid Email Addresses (Format: alphanumeric/symbols before @, domain with at least one period):\n- Contact: john.doe@example.com (Primary)\n- Contact: jane_smith@company.co.uk (Secondary)\n- Contact: support+tickets@help.org (Support)\n- Contact: user-name.with.dots@sub.domain.net (Technical)\n\nInvalid Email Addresses:\n- Format Error: john.doe@example (Missing top-level domain)\n- Format Error: jane_smith@.com (Missing domain name)\n- Format Error: @company.com (Missing username)\n- Format Error: user name@domain.com (Space in username)\n- Format Error: john.doe@company.com@ (Multiple @ symbols)\n- Format Error: john.doe@@company.com (Multiple @ symbols)\n- Format E", "targetItems": ["AB-123456-CD", "EF-789012-GH", "IJ-345678-KL", "MN-901234-OP", "2023-12-15T09:45:23Z", "2023-01-05T14:30:15+01:00", "2023-06-28T22:15:40-07:00", "2023-11-30T08:05:30.123Z", "john.doe@example.com", "jane_smith@company.co.uk", "support+tickets@help.org", "user-name.with.dots@sub.domain.net"]}