regex - .htaccess regular expression syntax -


sorry bad english. exclude website every referral spam contains word "buttons" because i'm tired of "social-buttons", "buttons-for-your-website", "my-brother-buttons" ecc. can see in google analytics report. i'm not regular expression, thought of this:

rewritecond %{http_referer} ^http://([^.]+\.)(.*)(buttons|button)(.*)\.com [nc,or]

is wrong? method exclude kind of referral? didn't tested it: don't know how do. thank :)

the following block visits referrals matching button, no need s, regex includes (button.*):

rewriteengine on  rewritecond %{http_referer} ^http://.*button.* [nc] rewriterule (.*) http://www.goaway.com [r=301,l]

learn more mod_rewrite syntax


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