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

Many tools use regular expressions and the core syntax is the same. The source of confusion is that the details beyond core syntax have variations.

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 ...

Working with regular expressions I’m also going to cover how to work with regular expressions in JavaScript, though the concepts learned here apply to other languages as well.

Mark Gibbs is very impressed with a service that generates code for regular expressions and he has found that Gmail now supports importing and exporting filters. His happiness knows no bounds.

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.

Complete your introduction to the Regex API, then find out how regular expressions make quicker work of common tasks like code documentation and lexical analysis.