[OpenSIPS-Users] Question about regex

[Saint Michael]

I need to identify all private IPs vs public IPs
Right now I am doing
$rd =~ "192.168" || $rd =~ "10." || $rd =~ "172.16."
but in regex there is a faster way, chaining several ORs
like
$rd =~ "192.168|10.|172.16."
what is the correct way to do this in opensips?
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