[Haskell-cafe] Interesting new user perspective

[Jonathan Cast]

On Fri, 2008-10-10 at 22:40 +0100, Andrew Coppin wrote:
> Iain Barnett wrote:
> > On 10 Oct 2008, at 9:50 pm, Don Stewart wrote:
> >>  Haskell makes
> >> constructing true parsers just as easy,
> >>
> >
> > You're not speaking for me there! :)  I really like regex. It's a 
> > domain specific functional language, so why rewrite the wheel?
> 
> Because it's a wheel that looks like the wrong end of a dog? :-}

  identifier = lexeme $ match "[[:lower:]_][[:alphanum:]_]*"

(pretending match :: String -> Parser String is a regex engine).

vs.

  identified = lexeme $ do
    c <- satisfy isLower <|> satisfy (=='_')
    s <- many $ satisfy isAlphaNum <|> satisfy (=='_')
    return (c:s)

I'm not sure I follow you here...

jcc