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<?php var_dump(preg_match_all('/#(([^#\s]+\s)|([^#\s]+\b))/', '#中文 tag 1 #tag3', $r)); var_dump($r);
Output for git.master, git.master_jit, rfc.property-hooks
int(2) array(4) { [0]=> array(2) { [0]=> string(8) "#中文 " [1]=> string(5) "#tag3" } [1]=> array(2) { [0]=> string(7) "中文 " [1]=> string(4) "tag3" } [2]=> array(2) { [0]=> string(7) "中文 " [1]=> string(0) "" } [3]=> array(2) { [0]=> string(0) "" [1]=> string(4) "tag3" } }

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