$re = '/(^[A-Z0-9\&\'s\-\040]{2,})\040/';
$str = 'PANTENE Pro-v acondicionador aqua light cabello fino bote 300 ml
GALLINA BLANCA sopa
COCA-COLA Orxata de la terreta
M&M\'s saco cacahuete bolsa 220 gr
MAHOU 5 ESTRELLAS Cervesa
CVNE CARO Vino tinto reserva DO Rioja botella 75 cl"
MARCA BLANCA bombones
COCA COLA Clásica botella 1.5 lt"';
preg_match_all($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