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- Subject: Re: Frontier capture (WAS: Re: numeric captures (string.find))
- From: Edgar Toernig <froese@...>
- Date: Wed, 15 Sep 2004 14:55:20 +0200
Fred Bayer wrote:
> BTW, what's the matter with the "frontier pattern" %f? It's in the
> source but not documented anywhere.
Looking at the source I would say its syntax is %f[set] and
it matches the transition from "not in set" to "in set".
I.e. %f[%w] matches the start and %f[%W] the end of a "word".