From: Chad Perrin <perrin@...>
Date: 2008-09-09T11:05:56+09:00
Subject: Re: Oniguruma question

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On Mon, Sep 08, 2008 at 10:18:01PM +0900, Kenneth McDonald wrote:
> For those adventurous souls who are already using Oniguruma...
>=20
> With the following Oniguruma re:
>=20
>   print  "aabb".index(/.+?(?<!a)/)
>   print "\n"
>=20
> My reasoning tells me I should be getting 3, but I'm getting 0. =20
> Basically, the .+ should force the re 'cursor' past at least the first =
=20
> a; after that, the negative lookback should force it past the first b. =
=20
> Could someone explain where I'm misunderstanding?

Not exactly an answer, but . . .

Why use two print statements, the second just to add a newline character,
rather than using puts?

--=20
Chad Perrin [ content licensed PDL: http://pdl.apotheon.org ]
Paul Graham: "Object-oriented programming offers a sustainable way to
write spaghetti code."

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