XML
<Galaxy>
    <name>Milky Way</name>
    <CelestialObject name="Earth" type="planet"/>
    <CelestialObject name="Sun" type="star"/>
</Galaxy>
XPATH
/Galaxy/*[starts-with(lower-case(@name),'ear')]
or
//*[starts-with(lower-case(@name),'ear')]
OUTPUT
<CelestialObject name="Earth" type="planet" />