$re = '/(?:\d([\-\. ])?){7,15}/m';
$str = '888-426-6840 215-861-6239
SPAIN Toll-Free: 900-8-01334
Caller Paid: 9-1-7878580
ITN Number: (*8) 2650 6840
Sandy Phillips 845-433-6476
USA Toll-Free: 888-426-6840
USA Caller Paid: 215-861-6239
Blackberry One Click +1-888-426-6840x6014774#
Call-In#: 888-426-6840 or 215-861-6239
USA/Mexico Toll-Free: 888-426-6840
Hungary Toll-Free: 06-800-19-306
Canada Toll-Free: 888-426-6840
UK Toll-Free: 0800-368-0638/02030596451
USA Toll-Free: 888-426-6840
USA Caller Paid: 215-861-6239
United Kingdom Caller Paid 0-20-30596451
United Kingdom Toll-Free 0800-368-0638';
preg_match_all($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