Alcohol in Mouthwash and Food

So Crest recently introduced an alcohol free mouthwash.  It made me think about how others that are Straight Edge deal with products or food that contain alcohol.  I use regular mouthwash with alcohol because it's purpose is for cleaning and it's effective at what it does.  I do however avoid foods that contain alcohol when the original purpose of the alcohol was for drinking, such as rum or whiskey.  If it's a cooking alcohol, like cooking rice wine (as used in teriyaki sauce), then I am okay with that since the alcohol is burned off and and the reason behind using it is purely for chemistry and not to taste like something like rum.  So I'm curious to know what other's out there that are Straight Edge think about this and what are your personal beliefs, will you switch to an alcohol free mouthwash?  Do you avoid all foods that contain alcohol?