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syntax - How to select all leaf nodes using XPath expression?

I believe it's possible but couldn't figure out the syntax. Something like this:

xmlNode.SelectNodes("//*[count(child::*) <= 1]")

but this is not correct.

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Use:

//node()[not(node())]

In case only element leaf nodes are wanted (and this needs clarification -- are elements that have non-element children considered leaf nodes?), then the following XPath expression selects them:

//*[not(*)]

Both expressions above are probably the shortest that select the desired nodes (either any-node or element -- leaf nodes).


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