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<?php $subject = '512345678'; $failingPattern = '/^(?:[3-5789]\d{8})$/x'; $result = preg_match($failingPattern , $subject, $groups, PREG_OFFSET_CAPTURE); var_dump($result, $groups); var_dump(PCRE_VERSION);
Output for git.master, git.master_jit, rfc.property-hooks
int(1) array(1) { [0]=> array(2) { [0]=> string(9) "512345678" [1]=> int(0) } } string(16) "10.40 2022-04-14"

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