Re: string.gsub (Lua 5.1.1)

[Philippe Lhoste <PhiLho@...>]

George Petsagourakis a écrit :
> Shmuel Zeigerman <shmuz <at> actcom.co.il> writes:
> > Let's see another example:
> >
> >    print (string.gsub ("abc123", "(.)",
> >      function(c)
> >        local n = tonumber(c)
> >        return n and n+1
> >      end))
> >
> > > abc234	6
> > It seems returning "abc234", 3 would make more sense.
>
> Not at all... six (6) substitutions done.. thats all. thats what the dot do in
> Lua's regular expressions. try %d for numbers or %a for letters.

No, 6 matches, but only 3 substitutions, the first three chars make the 
function return nil, so there is no substitution.

--
Philippe Lhoste
--  (near) Paris -- France
--  http://Phi.Lho.free.fr
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