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 ...

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 ...

Regular expressions are as complicated as they are powerful. They can be very intimidating in the beginning, so the best way to start is to take an example and tweak it until you produce exactly ...

If you work with text, you owe it to yourself to learn regular expressions, and Patterns can help you do that--as well as figure out exactly what your search patterns are capturing.