ref: 0aa9e440f8c9e7b5f6bc7b215eccdf3ee9359c7e dir: /sys/lib/plumb/fileaddr/
addrelem='((#?[0-9]+)|(/[A-Za-z0-9_\^]+/?)|[.$])' addr=:($addrelem([,;+\-]$addrelem)*):?