Re: [Haskell-cafe] Parsec bug, or...?

Brandon S. Allbery KF8NH wrote:

My fix would be to have myPrefixOf require the prefix be terminated in whatever way is appropriate (end of input, white space, operator?) instead of simply accepting as soon as it gets a prefix match regardless of what follows.

Maybe you can use notFollowedBy for this. HTH, Martijn.