{"text":"Welcome to the ultimate regex challenge! Our key targets are buried within this mess. First, reach out at a_b-c.X9@sub.domain.com to connect. If you need urgent assistance, dial 987-654-3210 immediately. Remember to mark the event on 2023/10/09 14:55, and don’t forget our confidential identifier ID-A1B2C3-XYZ. Also, circle the new holiday on 2023-12-31. Finally, note the unique marker &special_entity_&#9731; amidst other decoys like &notvalid; and &fake_entity; that are just distractions.","targetItems":["a_b-c.X9@sub.domain.com","987-654-3210","2023/10/09 14:55","ID-A1B2C3-XYZ","2023-12-31","&special_entity_&#9731;"]}