Question

function convert($raw) {

    $new = preg_replace("![^a-z0-9]+!i", "-", $raw);

    return $new;

}

The functon turns “a boy” into “a-boy-” when i run it, but i want “a-boy” how do I modify the regex to take care of this problem?

Thanks!

Answer 1

function convert($raw) {

    $new = preg_replace("![^a-z0-9]+!i", "-", $raw);
    $new = rtrim($new,'-');
    return $new;

}