Steve Barnes

In this context it is probably worth mentioning that all _official_ support for Python 2.x ended 01/01/2020.

https://docs.python.org/3/library/re.html has: > (?aiLmsux-imsx:...) > (Zero or more letters from the set 'a', 'i', 'L', 'm', 's', 'u', 'x', optionally followed by '-' followed by one or more letters from...