Python: Regular expressions

This documentation is part of the Learning Python guide. View the full guide here: A comprehensive Python guide.

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Regular expressions enable powerful text processing and manipulation. The re module provides functions such as match, search, findall, finditer, split, and sub.

Example:

import re

pattern = r'\d+'
result = re.findall(pattern, "There are 10 cats and 5 dogs.")
print(result)  # Output: ['10', '5']