Re: Argh! Regular expressions in Lua

[Philippe Lhoste <PhiLho@...>]

Roberto Ierusalimschy a écrit :
> It is not very difficult to extend Lua pattern matching with a
> given particular construction. The problem is that each particular
> construction will help only a small audience.  In the particular
> case of both "generic repetition" and alternation, they pose two
> small dificulties. The first was pointed out by Gavin, how to delimit
> them. The second is that they need space for backtracking information
> (one-character repetition uses only a counter). That's the reason
> they are not implemented in Lua.

OK, so I give up... :-)
Thanks for the detailed explanation.

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