$re = '/([371|+371]?\d+|[^\s\@]+\@\w+\.\w{2,4})/';
$str = '+3712964443
29643442
JEVGENIJS@gmail.COM
jevgenijs.blaus@orocon.me
hsjdm.jsjdj.kdmdks';
preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0);
// Print the entire match result
var_dump($matches);
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for PHP, please visit: http://php.net/manual/en/ref.pcre.php