I referred to the double colon as something I saw used with IPv6 to indicate a sequence of 0's. I wasn't aware that inet_aton supported all these forms and the

I referred to the double colon as something I saw used with IPv6 to indicate a sequence of 0's. I wasn't aware that inet_aton supported all these forms and the regex I provide won't parse them. It seems like inet_aton supports specifying the numbers in octal and hex too.