From: Kenneth McDonald <kenneth.m.mcdonald@...>
Date: 2008-09-09T11:30:56+09:00
Subject: Re: Oniguruma question

'Cause I'm a Ruby newbie who's still learning this stuff :-)

Ken

On Sep 8, 2008, at 9:05 PM, Chad Perrin wrote:

> On Mon, Sep 08, 2008 at 10:18:01PM +0900, Kenneth McDonald wrote:
>> For those adventurous souls who are already using Oniguruma...
>>
>> With the following Oniguruma re:
>>
>>  print  "aabb".index(/.+?(?<!a)/)
>>  print "\n"
>>
>> My reasoning tells me I should be getting 3, but I'm getting 0.
>> Basically, the .+ should force the re 'cursor' past at least the  
>> first
>> a; after that, the negative lookback should force it past the first  
>> b.
>> 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?
>
> -- 
> Chad Perrin [ content licensed PDL: http://pdl.apotheon.org ]
> Paul Graham: "Object-oriented programming offers a sustainable way to
> write spaghetti code."