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<?php $pattern = <<<'PATTERN' /(?xJ) (?<DN>Mon|Fri|Sun)(?:day)?| (?<DN>Tue)(?:sday)?| (?<DN>Wed)(?:nesday)?| (?<DN>Thu)(?:rsday)?| (?<DN>Sat)(?:urday)? / PATTERN; $subject = "Monday\nThursday"; preg_match_all($pattern, $subject, $matches, PREG_PATTERN_ORDER); var_dump($matches);
Output for git.master, git.master_jit, rfc.property-hooks
array(7) { [0]=> array(2) { [0]=> string(6) "Monday" [1]=> string(8) "Thursday" } ["DN"]=> array(2) { [0]=> string(0) "" [1]=> string(0) "" } [1]=> array(2) { [0]=> string(3) "Mon" [1]=> string(0) "" } [2]=> array(2) { [0]=> string(0) "" [1]=> string(0) "" } [3]=> array(2) { [0]=> string(0) "" [1]=> string(0) "" } [4]=> array(2) { [0]=> string(0) "" [1]=> string(3) "Thu" } [5]=> array(2) { [0]=> string(0) "" [1]=> string(0) "" } }

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