xml - XPath to select nodes with certain name or attribute value -


i want remove footer section html source.

consider following cases,

<div id="footer">blabla</div>

or 

<div class="footer">blabla</div>

or

<footer>blablabla</footer>

how can match above cases using xpath?

i come this:

//*[contains(lower-case(@*),'footer')] | //footer

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