Here's a link that tells you just what to do

Here is a link that might be useful: raspberry stains in carpet

Try a p[aste of Oxyclean. First pick or scrape off any dried solids. An old plastic credit card (or one of those "fakes" they send with offers) works fine. Good luck!

I swear by Spot Shot for stains after it removed an orange soda stain that was left on my carpet for months. It also removed ink from the carpet when the puppy chewed on a pen at the top of the stairs!

Here is a link that might be useful: Get the aerosol can