1.Prepositional phraseWhatever be the case.
Regardless (of an aforementioned point)."Who knows how many more inches of snow will fall tonight, but in any case, we can expect to be doing a lot of shoveling tomorrow.; Who knows how many more inches of snow will fall tonight, but in any case, let's go to bed.; In any case, there are never fewer than two guards on duty here."
2.Prepositional phraseRegardless (of an aforementioned point)."Who knows how many more inches of snow will fall tonight, but in any case, we can expect to be doing a lot of shoveling tomorrow.; Who knows how many more inches of snow will fall tonight, but in any case, let's go to bed."
4.Prepositional phraseUsed other than figuratively or idiomatically: see in, any, case."Their most popular product, an assortment of ales, is packaged such that there are always at least two bottles of India pale ale in any case.; It is not clear that this particular legal question has ever been a determining factor in any case to date."