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 ...

Today the release of Python 3.3.0 was made official, with a couple new syntax features, a handful of library modules, and several other improvements. According to Python.org’s site, the next ...

Compiled regular expressions still performed comparatively well in Python, though. This method processed the 100,000 lines in 165 ms, about two times faster than string primitives in Python.

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 ...