Blabla1 Blaabla2
Blaabla3 Blaabla4 Blaabla5 Blaabla6

Blaabla7 Blaabla8 Blaabla9"; $matches = preg_split('/(|)+\K|\s/sim', $string, null, PREG_SPLIT_NO_EMPTY ); var_dump($matches);