Never done it, but if i did....
I would make sure I did it on a warm day, park in the sun and then use heat to get it very warm/hot. A very good hairdryer is best, you could use a hot air gun if you were very very careful, but dont strip the paint/burn the rubber. If you cant touch it its been too hot is my rule for that sort of thing.
You then need something to get under the strip I would avoid any metal paint scraper an use a strong flexible plastic thing possibly raid the kitchen or go to a diy shop and find something for applying filler for example.
Then just work along the thing with a but of heat, leverage, slow and steady. Possibly some white spirit may help, but dont get a hot hot air gun on that !!!!
I think patience is you best tool on that job.
