* tried implementing my own regex
* improves tests
* finally works
* removes prints
* fixed test
* adds start and end
* delete unused imports
* refactored to use new tool
* significantly improved algo
* tag content -> tag attr
* fix tests + adds new field
* return full match
* return remove start and end
* update docstrings
* update docstrings
* update docstrings
---------
Co-authored-by: Beibin Li <BeibinLi@users.noreply.github.com>
Co-authored-by: Chi Wang <wang.chi@microsoft.com>
