[Date Prev][Date Next][Thread Prev][Thread Next]
[Date Index]
[Thread Index]
- Subject: Re: Frontier capture (WAS: Re: numeric captures (string.find))
- From: David Burgess <dburgess@...>
- Date: Thu, 16 Sep 2004 00:51:00 +1000
I note that string.find(s,"%f[%w]) returns an endposition 1 less than the
start.
Can someone explain?
On Wed, 15 Sep 2004 11:16:48 -0300, Roberto Ierusalimschy
<roberto@inf.puc-rio.br> wrote:
> > Looking at the source I would say its syntax is %f[set] and
> > it matches the transition from "not in set" to "in set".
> > I.e. %f[%w] matches the start and %f[%W] the end of a "word".
>
> Exactly. It is not documented because we are not sure it is worth
> providing this kind of facility.
>
> -- Roberto
>
--
db
