Hi, everybody.

I would like to join two regular expression, actually place a regexp
_inside_ another one, like:

IP_ADDRESS = %r{(?:\d{1,3}\.){3}\d{1,3}}
RESPONSE = %r{SERVER IP_ADDRESS}

In RESPONSE, IP_ADDRESS should be the pattern that matches an IP
address, but I don't figure out how to do that. Could you please help
me?

Thaks a lot,
Ed
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