{"text":"Here is the mixed content challenge: Our system logs various inputs. Emails observed include alpha.beta+gamma_delta@sub-domain.example.co.uk and \"quoted.email+test@sample-domain.edu\". Important dates are logged as 31/12/2023, 2023-12-31, and Dec 31, 2023, all representing the end of the year. For communications, call +1 (800) 555-0199 was made, and another record shows 800-555-0199 ext.123. Color codes like #A3F9B2 are sometimes used in design records. Our ID tags follow the format where the letter groups are identical, for instance, BB-456-BB. HTML content might contain entities such as &complexEntityName_123;, but note that similar sequences like NotValid&entity; should not be matched. Lastly, v...(truncated)","targetItems":["alpha.beta+gamma_delta@sub-domain.example.co.uk","\"quoted.email+test@sample-domain.edu\"","31/12/2023","2023-12-31","Dec 31, 2023","+1 (800) 555-0199","800-555-0199 ext.123","#A3F9B2","BB-456-BB","&complexEntityName_123;","spaced@example.com"]}