> Does anyone know a way to override .blank? method that rails provides.
> I want to add additional custom checks (specific to my application) to
> this method.

I'd tread very carefully here.  I know I use .blank? all over the  
place.  I imagine Rails and lots of plugins do as well.  You may well  
be changing behavior in libraries you're not aware of...

I'd suggest if at all possible to create your own .my_blank? method  
(with a better name of course) and use that where appropriate.

Otherwise... search the rails source for "def blank?" and then simply  
override it by monkey patching it.

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