Re: Newbie question list: Was The perverse vibe of lua-l
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- Subject: Re: Newbie question list: Was The perverse vibe of lua-l
- From: Peter Cawley <lua@...>
- Date: 2011年1月26日 12:02:01 +0000
On Wed, Jan 26, 2011 at 4:21 AM, Miles Bader <miles@gnu.org> wrote:
> Hmm, still, his use of "recursive" doesn't seem to make any sense...
I think his point was that the definition of the class of regular
expressions is recursive, for example "E+F is a regular expression if
E and F are both regular expressions", "E* is a regular expression if
E is a regular expression", etc. The definition of Lua patterns is not
done in this way, it is done as: pattern -> pattern item -> character
class.