Extend query string regex for tracking parameters

[chesio]

The _gl can contain asterisks and dots as well. Live example:

_gl=1*tptnc1*_up*MQ..*_ga*MTcyMDM2NzA5My4xNzMyMjEzNDM5*_ga_3VVZ6Q22QE*MTczMjIxMzQzOS4xLjAuMTczMjIxMzg3My4wLjAuMTUzNjY3MTk5OA..