How to export only select strings from a string catalog?

I have a string catalog of over a 1000 strings. How do i export only the strings that need to be reviewed and not the whole catalog?

Xcode does not provide a way to filter the strings that are exported, but the trans-unit entries in the exported XLIFF file will be marked with the state of each string, such as whether it needs review.

How to export only select strings from a string catalog?
 
 
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