The standard re module is sufficient for basic tasks, but the regex package (maintained by Matthew Barnett) provides several critical upgrades:
import regex # Optional: Enable the latest features globally regex.DEFAULT_VERSION = regex.VERSION1 text = "Find the pattern in this text." pattern = r"\b\w{4}\b" # Matches 4-letter words matches = regex.findall(pattern, text) print(matches) # Output: ['Find', 'this', 'text'] Use code with caution. regex download pip
: Unlike the standard library, this module supports the latest Unicode standards, including full case-folding and properties. The standard re module is sufficient for basic
: It allows for "almost" matches based on edit distance, which is useful for cleaning messy data. text) print(matches) # Output: ['Find'
: It can release the Global Interpreter Lock (GIL) during matching, allowing other Python threads to run concurrently when using the concurrent=True argument.