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<?php $tweet = "hello world #dontremoveme foobar http://example.com/#dontremoveme #remove #removeme #removeüäüö"; #$res = preg_replace("/ #\p{L}+\b(?!\s+\p{L})/u", '', $tweet); $res = preg_replace("/ #\w+/u", '', $tweet); echo $res,"\n";
Output for git.master, git.master_jit, rfc.property-hooks
hello world foobar http://example.com/#dontremoveme

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