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<?php $phones = [ '2345678', '00000000', '00100000', '123456789', '000000000', '12345678901234567', ]; foreach ($phones as $phone) { echo (preg_match('/^(?=0*[1-9])\d{8,16}$/', $phone) ? 'Pass' : 'Fail') . "\n"; }
Output for git.master, git.master_jit, rfc.property-hooks
Fail Fail Pass Pass Fail Fail

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