[Sheflug] Regular Expressions for IP Address

[somecoolpc <somecoolpc [at] xxxxxxxxx>]

Hey All,

I am trying to write a regular expression to ban any ip address, so I
can put that into my squidGuard ban lists.  But atm I can not get my
head around how i would do it , without stoping any site that has four
dots in its name e.g. web.mail.someisp.co.uk
Any suggestions at all??

B
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