Conversion between basic regular expression and extended regular expression

Hi, I'd like to use a program to convert between basic regular expression (BRE) and extended regular expression (ERE). (see man grep for the definition of BRE and ERE). Does python has a module for this purpose? Thanks. -- Regards, Peng -- https://mail.python.org/mailman/listinfo/python-list

Re: Enums: making a single enum

Ian Kelly : > On Fri, May 25, 2018 at 11:00 PM, Chris Angelico wrote: >> On Sat, May 26, 2018 at 2:46 PM, Steven D'Aprano >>> class State(Enum): >>> Maybe = 2 >> >> # Tri-state logic >> Maybe = object() > > The enum has a nice __str__ though. That's why I usually use string sentinels: May