Question

Am I doing this correct?

preg_match("/%$/",$line,$matches)

but it wont work!
any help please

Answer 1

Your solution should be right.

http://rubular.com/r/ovrRr2N7Ze

You could also not use regular expressions since this is such a simple case:

$string = trim($string);
$matches = $string[strlen($string)-1] == '%';
if($matches) {
  //do something
}