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 expression is used to validate input. Python have a library which have many methods to use regular expression. Regular Expression :-A regular expression (or RE) specifies a set of strings that ...

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 finding complex ...