From: "Hal E. Fulton" <hal9000@...>
Date: 2003-04-17T06:04:53+09:00
Subject: Re: regular expressions

----- Original Message ----- 
From: "Tanaka Akira" <akr@m17n.org>
To: "ruby-talk ML" <ruby-talk@ruby-lang.org>
Sent: Wednesday, April 16, 2003 12:40 PM
Subject: Re: regular expressions


> I wrote such library: [RAA:abnf].
> 
> It can be used as
> 
> myreg = /\A#{ABNF.regexp <<'End'}\z/o
> ... ABNF(RFC2234) description ...
> End
> 
> myreg.is_a? Regexp    # true
> 
> Of course, it handles only some (regular) subset of ABNF.

That is very interesting. I have never
heard of ABNF. Is that the same as EBNF?

I will look at it.

Hal