Hi,
Here is a fairly short regular expression you can use to match valid IPV4 IP addresses:/^(((25)|(2)|(1??))\.){3}((25)|(2)|(1??))$/
Good luck!

A friend asked me how he could see the network utilization in Solaris. It seems like a fairly simple request but for some reason this is not a simple command line away.
In Linux I would instinctively go straight to iptraf. I don’t know if iptraf is the tool of choice these days but I’m…