Re: A bug in string.gmatch and string.gsub?

[Matt Eisan <mattjeisan@...>]

Perhaps a new rule can be made? A way to distinguish between which you want to use?

On Mon, Apr 29, 2013 at 1:05 PM, Roberto Ierusalimschy <roberto@inf.puc-rio.br> wrote:

> 2013/4/29 Roberto Ierusalimschy <roberto@inf.puc-rio.br>:
>
> > I may be wrong, but it seems that the two rules can be stated like that:
> >
> > 1) Do not match two empty strings in the same position. (current Lua rule)
> >
> > 2) Do not match an empty string in the same position of another match
> > (not necessarily empty). (sed rule)
> >
> > Is rule 2 really more intuitive in general or it just happen to do what
> > you want in this particular case?
>
> It has the advantage of making `split` trivial instead of requiring the
> sort of thing that takes the Lua Wiki 300 lines to explain.

True, but that does not make it more intuitive; it makes it more useful
in one particular case. Are there other scenarios where it is more (or
less) useful?

-- Roberto