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 ...

Chapter 12: Regular Expressions Python’ s Regular Expression Language The Regular Expression Module A regular expression is a compact notation for representing a collection of strings. What makes ...

Previous PEPs to add pattern matching — PEP 275 and PEP 3103, proposed in 2001 and 2006 respectively — were turned down due to lack of popular support. PEP 3103 was drafted by Python creator ...