A regular expression is a sequence of characters that defines a search pattern. Python's re module provides support for regular expressions. The r prefix before the pattern string is used to denote a ...

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

Although the workshop can be completed without a background in Python, familiarity with Python is strongly encouraged. We use Python as a way of demonstrating what regular expressions can do, but the ...

Introduction 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 ...

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 ...