[Haskell-cafe] Re: [Parsec] Backtracking with try does not work for me?

On Tue, Aug 01, 2006 at 09:41:40AM +0100, Chris Kuklewicz wrote a message of 105 lines which said:

The problem is mentioned here:

http://www.cs.uu.nl/people/daan/download/parsec/parsec.html#notFollowedBy

notFollowedBy seems to work for me and is quite simple, even for my brain. Thanks.

The first would be to test whether "bb" is followed by "eof" or "comma" before accepting it.

notFollowedBy actually does the opposite (checking that there are no more letters).