3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $string = "Patient will come in earlier\n\nPacket emailed 2012-06-14 11:30:06\n\nPacket emailed 2012-06-12 12:32:04"; $pattern = "/(packet )(e{0,1}mailed) (\d{4}-)(\d{2}-\d{2})/i"; preg_match($pattern,$string,$matches); print_r($matches); ?>
based on hQXM0
Output for 4.3.0 - 7.1.0
Array ( [0] => Packet emailed 2012-06-14 [1] => Packet [2] => emailed [3] => 2012- [4] => 06-14 )