Subject: | Two mismatches of IPv6 addresses |
According to the following test,
https://metacpan.org/source/SALVA/Regexp-IPv6-0.03/t/Regexp-IPv6.t
::2:3:4:5:6:7:8 is OK
and
::ffff:2.3.4 is not OK.
Your module's ip_is_ipv6, however, rejects the top one and accepts the bottom one.