oneOf package:appar

oneOf :: Input inp => String -> MkParser inp Char
appar Text.Appar.ByteString Text.Appar.LazyByteString Text.Appar.String
oneOf cs succeeds if the current character is in the supplied list of characters cs. Returns the parsed character.
noneOf :: Input inp => String -> MkParser inp Char
appar Text.Appar.ByteString Text.Appar.LazyByteString Text.Appar.String
As the dual of oneOf, noneOf cs succeeds if the current character not in the supplied list of characters cs. Returns the parsed character.