I saw in debug log that when an ACL has many regexes each one is compared sequentially.
If I have www.facebook.com facebook.com www.google.com google.com If will be faster to check just ONE optimized regex like (www\.)?(facebook|google).com than the previous three? I'm really talking about optimizing about 3000 url regexes in one huge regex because comparing each and every url to 3000 regexes is too slow. I know using (www\.facebook\.com)|(facebook\.com)|(www\.google\.com)|(google\.com) with PCRE will produce the same optimized result as (www\.)?(facebook|google)\.com. Squid uses GnuRegex. Does GNURegex lib optimizes this as well ? -- Alfrenovsky
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