Re: [libvirt] [PATCHv2 09/13] Change virtual network XML parsing/formatting to support IPv6

On Thu, Dec 23, 2010 at 09:31, Laine Stump&lt;laine(a)laine.org&gt; wrote: > The new IPv6 regexp (constructed by first de-constructing the old regexp, > then removing the IPv4 sub-expressions and replacing them with the fixed > version from ipv4-addr, and finally concatenating everything back together): > > <param > name="pattern">(([0-9A-Fa-f]{1,4}:){7}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){6}:[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){5}:([0-9A-Fa-f]{1,4}:)?[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){4}:([0-9A-Fa-f]{1,4}:){0,2}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){3}:([0-9A-Fa-f]{1,4}:){0,3}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){2}:([0-9A-Fa-f]{1,4}:){0,4}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){6}(((25[0-5])|(2[0-4][0-9])|(1[0-9]{2})|([1-9][0-9])|([0-9]))\.){3}((25[0-5])|(2[0-4][0-9])|(1[0-9]{2})|([1-9][0-9])|([0-9])))|(([0-9A-Fa-f]{1,4}:){0,5}:(((25[0-5])|(2[0-4][0-9])|(1[0-9]{2})|([1-9][0-9])|([0-9]))\.){3}((25[0-5])|(2[0-4][0-9])|(1[0-9]{2})|([1-9][0-9])|([0-9])))|(::([0-9A-Fa-f]{1,4}:){0,5}(((25[0-5])|(2[0-4][0-9])|(1[0-9]{2})|([1-9][0-9])|([0-9]))\.){3}((25[0-5])|(2[0-4][0-9])|(1[0-9]{2})|([1-9][0-9])|([0-9])))|([0-9A-Fa-f]{1,4}::([0-9A-Fa-f]{1,4}:){0,5}[0-9A-Fa-f]{1,4})|(::([0-9A-Fa-f]{1,4}:){0,6}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){1,7}:)</param> which matches incorrect address: :10.0.0.1 more reading: http://crisp.tweakblogs.net/blog/3049/ipv6-validation-more-caveats.html