The pattern uses alternation to match exactly the specified items:
- Email addresses are matched exactly including the + and . characters
- Dates are matched in their specific formats including parentheses where needed
- Hex colors are matched exactly in both upper and lower case
- URLs are matched exactly for both https and ftp protocols
- Special IDs are matched with their exact format AB/ZZ-#####-XX pattern
- Nested delimiters are matched exactly with their specific user formats
The pattern uses proper escaping for special characters like ., +, (), {}, and [] to ensure they match literally.