As title say, I know lua has a offical extended BNF in The Complete Syntax of Lua. I want to write a PEG to pass to lpeg.re.compile to parse lua itself. Maybe the Lua PEG is something like it's BNF. I...

This was spun off from the comments on this question. As I understand, in the PEG grammar, it's possible to implement a non-greedy search by writing S <- E2 / E1 S (or S = pattern E2 if possible or...

I am working on a simple Pandoc reader that can process some of the basic html-like syntax used in forums (such as [b]bold[/b] and [h1]Header[/h1]). I managed to get a basic reader working with LPEG (...