Notifications You must be signed in to change notification settings Using regular expressions (regex) in Python is very similar to how we have been using them in Bash. The main difference is that we ...

Note that search and replace typically makes use of some special features in regular expressions. The parenthetical part of the regex is what is called a “capture group,” which is a way to ...

What Are Regular Expressions? A regular expression (or regex) is a sequence of characters that defines a search pattern. You can use regex to check if a string contains a specific pattern, modify ...

A regular expression (regex, regexp) is a string-searching algorithm, which you can use for making a search pattern in a sequence of characters or strings. Usually, these patterns are used to find or ...

A good book on regular expressions is Mastering Regular Expressions by Jeffrey E. F. Friedl, ISBN 0596528124. It does not explicitly cover Python, but Python’s re module offers very similar ...