{"text":"Welcome to the ultimate regex challenge!\nOur system logs various formatted items:\n\n1. Email Verification:\n   - Valid: user.name+test@example-domain.com\n   - Invalid examples: user.name+test_at_example-domain.com, user.name+test@exampledomain.com\n\n2. Hotline Numbers:\n   - Domestic: +1 (234) 567-8900\n   - International: 234-567-8901\n   - Beware: 1234567890 or 123-4567-890 are not valid formats\n\n3. Important Dates:\n   - Deadline: 2023-10-31\n   - Final Event: 31/12/2022\n   - Do not match malformed dates like 2023/10-31 or 31-12-2022\n\n4. Code Snippet Example:\n   - Properly closed tag: <div>Content here</div>\n   - Mismatched tag (should not match): <div>Content mismatch</span>\n\nEnd of challenge prompt.\n","targetItems":["user.name+test@example-domain.com","+1 (234) 567-8900","234-567-8901","2023-10-31","31/12/2022","<div>Content here</div>"]}