Support options like `extglob`

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Description

shopt -s extglob

case "/dev/udp/129.22.8.102/45" in
/dev/@(tcp|udp)/*/*)    echo ok 1;;
*)              echo bad 1;;
esac

tests/extglob.tests: line 24: syntax error near unexpected token `('
tests/extglob.tests: line 24: `/dev/@(tcp|udp)/*/*)     echo ok 1;;'

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