Regex with exception of particular words

Question

I have problem with regex. I need to make regex with an exception of a set of specified words, for example: apple, orange, juice. and given these words, it will match everyt

Answer 1

Something like (PHP)

$input = "The orange apple gave juice";
if(preg_match("your regex for validating") && !preg_match("/apple|orange|juice/", $input))
{
  // it's ok;
}
else
{
  //throw validation error
}