An xpath query that returns all nodes with the id attribute set

Question

I can make a query that returns a result set of nodes with their id set to a value I know. But I can't figure out how to get a result set of all nodes that have an id explicitly set.

Answer 1

I can't figure out how to get a result set of all nodes that have an id explicitly set.

*[@id] will select all nodes with an [id] attribute:

The catch is that it will pick up nodes where id is present but is empty (i.e. id="")

If you want to ignore nodes with empty [id] attributes, use: *[@id!=""]