- preg_match: documentation ( source)
- print_r: documentation ( source)
<?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);
?>