IPv4/IPv6 주소 검증 정규식

IPv4 / IPv6 주소 검증 정규식

IPv4

^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$

IPv6 (전체 표기 + 축약형 + IPv4-mapped 등 포함)

^(
  ([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|
  ([0-9a-fA-F]{1,4}:){1,7}:|
  ([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|
  ([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|
  ([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|
  ([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|
  ([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|
  [0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|
  :((:[0-9a-fA-F]{1,4}){1,7}|:)|
  fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|
  ::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|
  ([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])
)$