I'm creating an extremely challenging scenario that combines:
1. Nested JSON-like structures with escaped quotes and variable spacing
2. Complex log entries with timestamps in different formats and timezones
3. Mathematical expressions with special characters and scientific notation
4. Code-like patterns with specific scope requirements
5. Look-alike patterns that shouldn't match
6. URI patterns with complex query parameters and fragments
7. Nested XML-like tags with attributes containing specia... (truncated)