[GeoNetwork-users] query metadata xml tag

Hi all,
Could you please help me indicating the best way to look for a specific tag within an .xml metadata saved in my Geonetwork catalogue v4.3.1?

For example if I have to look for the gmd:westBoundLongitude tag value, is there a way to get it?

Is it also possible to define a query where I can search all the value, for example, greater than the value indicated by the previous tag?

Thanks in advance

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