#!/bin/bashs='device `canon_dr:libusb:003:004'"'"' is a CANON DR-C125 scanner'grep -Po "\`\\K[^']+" <<< "$s"awk -F"[\`']" '{print $2}' <<< "$s"
Standard input is empty
canon_dr:libusb:003:004 canon_dr:libusb:003:004
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