Online PHP editor | refs for JRUie

<?php $string = <<<STR 2234323,23,23,44,433;3,23,44,433;23,23,44,433;23,23,44,433;4534453,23,23,44,433; 3,23,44,433;23,23,44,433;23,23,44,433 7545455,23,23,44,433;3,23,44,433;23,23,44,433;23,23,44,433 STR; $string = preg_replace('/;?\R/', ';', $string); // I don't know if this is actually necessary for your real project var_export( preg_split('/;(?=\d{7}\b)/', $string) );