How to ignore accent using breeze local query?

Question

I am using breeze to query data from local, but I have some problems to remove diacritics and query with accent insensitive. For example:

var name = 'HELEN';
var pred = new breeze.Predicate('name', breeze.FilterQueryOp.Contains, name);

Results: HELEN, HELENA, HELENE

But I need all results: HELEN, HELENA, HÉLÈNA, HELENE, HÉLÈNE

It's possible the next:

var name = 'HELEN';
var pred = new breeze.Predicate('removeDiacritics(name)', breeze.FilterQueryOp.Contains, removeDiacritics(name));

Thanks. Any help will be greatly appreciated.