How to use the regular expression functions provided by the ‘re’ library to match, search, and replace text in your Python programs. Regular expressions, or “regex,” is a system for finding complex ...

This module is targeted at CPython. It expects that all codepoints are the same width, so it won't behave properly with PyPy outside U+0000..U+007F because PyPy stores strings as UTF-8. The regex ...

This regex implementation is backwards-compatible with the standard 're' module, but offers additional functionality. The re module's behaviour with zero-width matches changed in Python 3.7, and this ...