Harry Ohlsen wrote:

> I've just started reading "Mastering Regular Expressions" because, while 
> I use them many times in any given day, there's a heap that I don't know 
>   and I thought it was time to bite the bullet.
> 
> One of the first new things I discovered was lookahead and lookbehind. I 
> was keen to try this stuff out, so I powered up IRB and had a go. Sadly, 
> 1.8.2 doesn't have lookbehind, so the first cool thing I tried failed :-(.
> 
> I then remembered that there was a separate regex system called 
> Onigurama.  A bit of Googling revealed that Matz had said that Onigurama 
> would be adopted in 1.9.  If that's the case, I'll go to the trouble of 
> downloading and building a copy of 1.9 myself.
> 
> I just thought I'd check first that Matz's plan came to be.  Is 
> Onigurama used in 1.9?
> 
> Also, is there any roadmap as to when Onigurama will be standard?  I'm 
> happy to use 1.9 for my regex learning, but it would be nice to be able 
> to use Onigurama for "production" work, too.
> 
> Cheers,
> 
> Harry O.
> 
> 
> 

It would be great if Onigurama can be selected as drop-in replacement 
with a simple command-line option when installing ruby 1.8.2.