python import re module
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Regular expressions, commonly known as regex or regexp, are powerful tools for pattern matching and text manipulation in Python. The re module provides a set of functions for working with regular expressions. In this tutorial, we'll explore the basics of the re module with code examples to help you understand how to use it effectively.
The re module in Python provides support for regular expressions. Regular expressions are patterns that define a set of strings. They are widely used for searching, matching, and manipulating text.
The re.search() function scans the entire string and returns a match object if a pattern is found.
The re.match() function checks for a match only at the beginning of the string.
The re.findall() function returns a list of all occurrences of a pattern in the string.
Character classes represent sets of characters. Some common examples include:
Quantifiers specify how many occurrences of a character or group are required. Examples include:
The re module in Python is a powerful tool for working with regular expressions. Understanding its functions and common patterns will enable you to perform advanced text processing tasks. Experiment with different patterns and explore the possibilities of regular expressions in your Python projects.
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