Splitting a string on multiple separators in PHP

Question

I can split a string with a comma using preg_split, like

$words = preg_split(\'/[,]/\', $string);

How can I use a dot, a space and

Answer 1

just add these chars to your expression

$words = preg_split('/[;,. ]/', $string);

EDIT: thanks to Igoris Azanovas, escaping dot in character class is not needed ;)