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<p><a class="moz-txt-link-freetext" href="https://regex101.com">https://regex101.com</a> is your best friend.<br>
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<div class="moz-cite-prefix">27.04.16 17:32, Alfredo Rezinovsky
пишет:<br>
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cite="mid:CAMXC=Wt5W6UK1-qfFEDb2gJ8HQceQDoU5vcsY4rWtKvcNOT0LQ@mail.gmail.com"
type="cite">
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<div>I saw in debug log that when an ACL has many regexes each
one is compared sequentially.</div>
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<div>If I have</div>
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<div><a moz-do-not-send="true" href="http://www.facebook.com"
target="_blank">www.facebook.com</a></div>
<div><a moz-do-not-send="true" href="http://facebook.com"
target="_blank">facebook.com</a></div>
<div><a moz-do-not-send="true" href="http://www.google.com"
target="_blank">www.google.com</a></div>
<div><a moz-do-not-send="true" href="http://google.com">google.com</a> </div>
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<div>If will be faster to check just ONE optimized regex like
(www\.)?(facebook|google).com than the previous three?<br>
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<div>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.<br>
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<div>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 ?</div>
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-- <br>
<div>Alfrenovsky</div>
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