Regex with Doctrine 2 query builder?

Question

As per the title, how would one match on a regular expression with the Doctrine 2 query builder? Basically I\'m trying to generate unique slugs.

Here is my current

Answer 1

Not tested (for MySQL):

$qb->where(new Doctrine\ORM\Query\Expr\Comparison(
    'o.slug', 'REGEXP', ':slug')
);
$qb->setParameter('slug', '^'.$slug->__toString().'-[[:digit:]]+$');