Regular expressions are sequences of characters that form a search pattern. They are extremely useful for extracting information from text such as code, files, log, spreadsheets, or even documents.

Once you know how to add and use a Python module, you will greatly extend the capabilities of the language. A Python module is an external class or set of functions that exist outside the main file of ...

When using pyright, it does not show the re.Scanner module. It is accessible, but not mentioned in official documentation: It would be nice to add this into the re.pyi definition module ...