Does need to be escaped in regex?

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Tags

1. #character
2. #outside
3. #characters
4. #though
5. #square
6. #closing
7. #regex
8. #classes
9. #other
10. #require
11. #backslash
12. #special
13. #escape
14. #generally
15. #should
16. #brackets
17. #because
18. #escaped