Re: Matching at least $x words out of @words

On Thu, May 05, 2005 at 03:24:22PM +0100, José Castro wrote:
> So suppose you want a regular expression to match at least one of
> three words:
> 
> /word1|word2|word3/
> 
> What solution would you use if you wanted at least _two_ of those
> three words?

> Isn't there a neater (and probably twisted, of course) way of saying
> /match at least $x of the words in @words/

This is fwp. I would use this perlish solution:

@a = $x =~ /word1|word2|word3/g;
$count = scalar @a;

-Sven
-- 
Bill Dickey is learning me his experience.
		-- Yogi Berra in his rookie season.