Check if a string contain multiple specific words

Question

How to check, if a string contain multiple specific words?

I can check single words using following code:

$data = "text text text text text text t         


        

Answer 1

You can't do something like this:

if (strpos($data, 'bad || naughty') !== false) {

instead, you can use regex:

if(preg_match("/(bad|naughty|other)/i", $data)){
 //one of these string found
}