Gotta give a nod to kpeg:

https://github.com/evanphx/kpeg

On Mon, Jan 16, 2012 at 12:33 AM, Kaspar Schiess <eule / space.ch> wrote:

>
>  Try Treetop:
>> http://treetop.rubyforge.org/
>>
>
> And then try parslet:
> http://kschiess.github.com/**parslet/<http://kschiess.github.com/parslet/>
>
> k
>
>
>
>


-- 
Tony Arcieri