How to use the regular expression functions provided by the ‘re’ library to match, search, and replace text in your Python programs.

The pattern-matching syntax introduced in Python 3.10 allows for powerful new programming techniques for decision-making in apps.

One of the major new developments planned for Python 3.10 (due in October) is structural pattern matching syntax, which is a common feature in many other languages.

This chapter’s first section introduces and explains all the key regular expression concepts and shows pure regular expression syntax—it makes minimal reference to Python itself. Then the second ...