Code for extracting from the right side with cut command?

you could use rev

echo "abc-def-ghi-jkl" | rev | cut -d- -f-2 | rev

bash substring cut

$ echo "abc-def-ghi-jkl" | cut -d- -f3-ghi-jkl

-2 cuts up to the 2nd field. 3- cuts from the 3rd field on.

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