[Date Prev][Date Next][Thread Prev][Thread Next]
[Date Index]
[Thread Index]
- Subject: Re: A bug in string.gmatch and string.gsub?
- From: Dirk Laurie <dirk.laurie@...>
- Date: Mon, 29 Apr 2013 18:53:23 +0200
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.