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

A proposal under consideration by Python’s development team would finally bring pattern matching statements to the language.

The use and understanding of regular expressions (hereafter referred to as RegEx) traditionally comes in three parts: testing a string to see if a pattern exists within it (pattern matching); reading ...

Regular expressions offer a powerful way of searching texts for strings that match a particular pattern, and for replacing such strings with other strings which themselves can depend on what was ...

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.

A long time ago, I wrote a utility for an employer that allowed testers to perform verification on data coming out of a hardware box using a regular expression language. It allowed users to ...

Pattern Matching Using Regular Expression (RX) Functions and CALL Routines You can use a special group of functions and CALL routines to match or change data according to a specific pattern that you ...