I just consign them to the paint rag pile or use them only for painting if they've got paint on them. It's not worth the trouble to try to remove the paint.
Thanks so helpful.
You can try “Go-Jo” type of abrasive cleaners designed to remove grease from mechanics’ hands. You must scrub with a brush with lots of elbow grease. I have also heard of using spray on oven cleaner but I would also consider designating them as wear when I paint clothes.
Goof-Off will sometimes take out latex paints
I just read a tip the other day that said to use a disposable razor! I have not tried it, but maybe it might work and then use some soapy water and a good scrub...provided it hasn't already been washed and dried. Good luck