Question

I need to grab all nodes of particular type within an XML document but only if their value attribute is not empty. I’ve tried a few permutations on the below, but with no luck:

".//Foo[not([@Value =''])]"

Answer 1

This should work for you

//Foo[@Value!='']

Or if you really want to only return nodes with a value attribute of a certain length use something like:

//Foo[string-length(@Value) > 3]

or

//Foo[string-length(@Value) = 0]