import re print( re.sub(r'(foo)(bar)',r'\g<2>\g<1>','foobar'))
More info here https://www.regular-expressions.info/replacebackref.html
A personal blog of Christopher Wigginton; a nerd by nature, programming polyglot, cooking enthusiast and fermentation practitioner.
Tuesday, August 25, 2020
Python 3: RegEx Back References
Regual Expressions is one of those things that isn't completely regular when switching between languages.
This is how you use a back reference in Python.
More info here https://www.regular-expressions.info/replacebackref.html
More info here https://www.regular-expressions.info/replacebackref.html
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment