This challenge combines multiple extremely difficult patterns that require advanced regex techniques:
1. Nested XML-like tags that require proper balance
2. Complex version strings with multiple components and build metadata
3. Timestamps with optional microseconds and timezone offsets
4. URLs with query parameters containing special characters
5. JWT tokens with specific structure
6. Git commit hashes with branch prefixes
7. Product codes with checksum digits
8. ISBN-like codes with specific fo... (truncated)