Ordinary characters are the simplest regular expressions. They match themselves exactly and do not have a special meaning in their regular expression syntax. $ - Matches the end of string. [abc] - ...

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 ...

Regular expressions are a mini-language used for pattern-matching in text. They have been a staple of the computing world for decades: ... An introduction to regular expressions in Python by Adrianna ...