背景
前端需要对输入的 IPV4 和 IPV6 进行格式验证，共有 IPV4、IPV6 和子网前缀的 6 中组合。
表达式
IPV4
^((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)$
IPV6
^([\da-fA-F]{1,4}:){6}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)$|^::([\da-fA-F]{1,4}:){0,4}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)$|^([\da-fA-F]{1,4}:):([\da-fA-F]{1,4}:){0,3}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)$|^([\da-fA-F]{1,4}:){2}:([\da-fA-F]{1,4}:){0,2}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)$|^([\da-fA-F]{1,4}:){3}:([\da-fA-F]{1,4}:){0,1}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)$|^([\da-fA-F]{1,4}:){4}:((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)$|^([\da-fA-F]{1,4}:){7}[\da-fA-F]{1,4}$|^:((:[\da-fA-F]{1,4}){1,6}|:)$|^[\da-fA-F]{1,4}:((:[\da-fA-F]{1,4}){1,5}|:)$|^([\da-fA-F]{1,4}:){2}((:[\da-fA-F]{1,4}){1,4}|:)$|^([\da-fA-F]{1,4}:){3}((:[\da-fA-F]{1,4}){1,3}|:)$|^([\da-fA-F]{1,4}:){4}((:[\da-fA-F]{1,4}){1,2}|:)$|^([\da-fA-F]{1,4}:){5}:([\da-fA-F]{1,4})?$|^([\da-fA-F]{1,4}:){6}:$
IPV4/IPV6
^((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)$|^([\da-fA-F]{1,4}:){6}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)$|^::([\da-fA-F]{1,4}:){0,4}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)$|^([\da-fA-F]{1,4}:):([\da-fA-F]{1,4}:){0,3}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)$|^([\da-fA-F]{1,4}:){2}:([\da-fA-F]{1,4}:){0,2}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)$|^([\da-fA-F]{1,4}:){3}:([\da-fA-F]{1,4}:){0,1}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)$|^([\da-fA-F]{1,4}:){4}:((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)$|^([\da-fA-F]{1,4}:){7}[\da-fA-F]{1,4}$|^:((:[\da-fA-F]{1,4}){1,6}|:)$|^[\da-fA-F]{1,4}:((:[\da-fA-F]{1,4}){1,5}|:)$|^([\da-fA-F]{1,4}:){2}((:[\da-fA-F]{1,4}){1,4}|:)$|^([\da-fA-F]{1,4}:){3}((:[\da-fA-F]{1,4}){1,3}|:)$|^([\da-fA-F]{1,4}:){4}((:[\da-fA-F]{1,4}){1,2}|:)$|^([\da-fA-F]{1,4}:){5}:([\da-fA-F]{1,4})?$|^([\da-fA-F]{1,4}:){6}:$
IPV4 + mask
^((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/(\d|[1-2]\d|3[0-2]))?$
IPV6 + mask
^([\da-fA-F]{1,4}:){6}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?$|^::([\da-fA-F]{1,4}:){0,4}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?$|^([\da-fA-F]{1,4}:):([\da-fA-F]{1,4}:){0,3}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?$|^([\da-fA-F]{1,4}:){2}:([\da-fA-F]{1,4}:){0,2}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?$|^([\da-fA-F]{1,4}:){3}:([\da-fA-F]{1,4}:){0,1}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?$|^([\da-fA-F]{1,4}:){4}:((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?$|^([\da-fA-F]{1,4}:){7}[\da-fA-F]{1,4}(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?$|^:((:[\da-fA-F]{1,4}){1,6}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?$|^[\da-fA-F]{1,4}:((:[\da-fA-F]{1,4}){1,5}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?$|^([\da-fA-F]{1,4}:){2}((:[\da-fA-F]{1,4}){1,4}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?$|^([\da-fA-F]{1,4}:){3}((:[\da-fA-F]{1,4}){1,3}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?$|^([\da-fA-F]{1,4}:){4}((:[\da-fA-F]{1,4}){1,2}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?$|^([\da-fA-F]{1,4}:){5}:([\da-fA-F]{1,4})?(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?$|^([\da-fA-F]{1,4}:){6}:(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?$
IPV4/IPV6 + mask
^((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/(\d|[1-2]\d|3[0-2]))?$|^([\da-fA-F]{1,4}:){6}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?$|^::([\da-fA-F]{1,4}:){0,4}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?$|^([\da-fA-F]{1,4}:):([\da-fA-F]{1,4}:){0,3}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?$|^([\da-fA-F]{1,4}:){2}:([\da-fA-F]{1,4}:){0,2}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?$|^([\da-fA-F]{1,4}:){3}:([\da-fA-F]{1,4}:){0,1}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?$|^([\da-fA-F]{1,4}:){4}:((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?$|^([\da-fA-F]{1,4}:){7}[\da-fA-F]{1,4}(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?$|^:((:[\da-fA-F]{1,4}){1,6}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?$|^[\da-fA-F]{1,4}:((:[\da-fA-F]{1,4}){1,5}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?$|^([\da-fA-F]{1,4}:){2}((:[\da-fA-F]{1,4}){1,4}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?$|^([\da-fA-F]{1,4}:){3}((:[\da-fA-F]{1,4}){1,3}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?$|^([\da-fA-F]{1,4}:){4}((:[\da-fA-F]{1,4}){1,2}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?$|^([\da-fA-F]{1,4}:){5}:([\da-fA-F]{1,4})?(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?$|^([\da-fA-F]{1,4}:){6}:(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?$
IPV4-IPV4
^((((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))-(((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)))$
IPV6-IPV6
^(((([\da-fA-F]{1,4}:){6}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(::([\da-fA-F]{1,4}:){0,4}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:):([\da-fA-F]{1,4}:){0,3}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){2}:([\da-fA-F]{1,4}:){0,2}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){3}:([\da-fA-F]{1,4}:){0,1}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){4}:((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){7}[\da-fA-F]{1,4})|(:((:[\da-fA-F]{1,4}){1,6}|:))|([\da-fA-F]{1,4}:((:[\da-fA-F]{1,4}){1,5}|:))|(([\da-fA-F]{1,4}:){2}((:[\da-fA-F]{1,4}){1,4}|:))|(([\da-fA-F]{1,4}:){3}((:[\da-fA-F]{1,4}){1,3}|:))|(([\da-fA-F]{1,4}:){4}((:[\da-fA-F]{1,4}){1,2}|:))|(([\da-fA-F]{1,4}:){5}:([\da-fA-F]{1,4})?)|(([\da-fA-F]{1,4}:){6}:))-((([\da-fA-F]{1,4}:){6}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(::([\da-fA-F]{1,4}:){0,4}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:):([\da-fA-F]{1,4}:){0,3}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){2}:([\da-fA-F]{1,4}:){0,2}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){3}:([\da-fA-F]{1,4}:){0,1}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){4}:((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){7}[\da-fA-F]{1,4})|(:((:[\da-fA-F]{1,4}){1,6}|:))|([\da-fA-F]{1,4}:((:[\da-fA-F]{1,4}){1,5}|:))|(([\da-fA-F]{1,4}:){2}((:[\da-fA-F]{1,4}){1,4}|:))|(([\da-fA-F]{1,4}:){3}((:[\da-fA-F]{1,4}){1,3}|:))|(([\da-fA-F]{1,4}:){4}((:[\da-fA-F]{1,4}){1,2}|:))|(([\da-fA-F]{1,4}:){5}:([\da-fA-F]{1,4})?)|(([\da-fA-F]{1,4}:){6}:)))$
IPV4-IPV4 或 IPV6-IPV6
^(((((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))-(((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)))|(((([\da-fA-F]{1,4}:){6}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(::([\da-fA-F]{1,4}:){0,4}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:):([\da-fA-F]{1,4}:){0,3}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){2}:([\da-fA-F]{1,4}:){0,2}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){3}:([\da-fA-F]{1,4}:){0,1}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){4}:((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){7}[\da-fA-F]{1,4})|(:((:[\da-fA-F]{1,4}){1,6}|:))|([\da-fA-F]{1,4}:((:[\da-fA-F]{1,4}){1,5}|:))|(([\da-fA-F]{1,4}:){2}((:[\da-fA-F]{1,4}){1,4}|:))|(([\da-fA-F]{1,4}:){3}((:[\da-fA-F]{1,4}){1,3}|:))|(([\da-fA-F]{1,4}:){4}((:[\da-fA-F]{1,4}){1,2}|:))|(([\da-fA-F]{1,4}:){5}:([\da-fA-F]{1,4})?)|(([\da-fA-F]{1,4}:){6}:))-((([\da-fA-F]{1,4}:){6}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(::([\da-fA-F]{1,4}:){0,4}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:):([\da-fA-F]{1,4}:){0,3}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){2}:([\da-fA-F]{1,4}:){0,2}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){3}:([\da-fA-F]{1,4}:){0,1}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){4}:((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){7}[\da-fA-F]{1,4})|(:((:[\da-fA-F]{1,4}){1,6}|:))|([\da-fA-F]{1,4}:((:[\da-fA-F]{1,4}){1,5}|:))|(([\da-fA-F]{1,4}:){2}((:[\da-fA-F]{1,4}){1,4}|:))|(([\da-fA-F]{1,4}:){3}((:[\da-fA-F]{1,4}){1,3}|:))|(([\da-fA-F]{1,4}:){4}((:[\da-fA-F]{1,4}){1,2}|:))|(([\da-fA-F]{1,4}:){5}:([\da-fA-F]{1,4})?)|(([\da-fA-F]{1,4}:){6}:))))$
IPV4-IPV4 或 IPV6-IPV6 或 IPV6 + mask 或 IPV4 + mask
^(((((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))-(((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)))|(((([\da-fA-F]{1,4}:){6}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(::([\da-fA-F]{1,4}:){0,4}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:):([\da-fA-F]{1,4}:){0,3}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){2}:([\da-fA-F]{1,4}:){0,2}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){3}:([\da-fA-F]{1,4}:){0,1}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){4}:((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){7}[\da-fA-F]{1,4})|(:((:[\da-fA-F]{1,4}){1,6}|:))|([\da-fA-F]{1,4}:((:[\da-fA-F]{1,4}){1,5}|:))|(([\da-fA-F]{1,4}:){2}((:[\da-fA-F]{1,4}){1,4}|:))|(([\da-fA-F]{1,4}:){3}((:[\da-fA-F]{1,4}){1,3}|:))|(([\da-fA-F]{1,4}:){4}((:[\da-fA-F]{1,4}){1,2}|:))|(([\da-fA-F]{1,4}:){5}:([\da-fA-F]{1,4})?)|(([\da-fA-F]{1,4}:){6}:))-((([\da-fA-F]{1,4}:){6}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(::([\da-fA-F]{1,4}:){0,4}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:):([\da-fA-F]{1,4}:){0,3}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){2}:([\da-fA-F]{1,4}:){0,2}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){3}:([\da-fA-F]{1,4}:){0,1}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){4}:((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){7}[\da-fA-F]{1,4})|(:((:[\da-fA-F]{1,4}){1,6}|:))|([\da-fA-F]{1,4}:((:[\da-fA-F]{1,4}){1,5}|:))|(([\da-fA-F]{1,4}:){2}((:[\da-fA-F]{1,4}){1,4}|:))|(([\da-fA-F]{1,4}:){3}((:[\da-fA-F]{1,4}){1,3}|:))|(([\da-fA-F]{1,4}:){4}((:[\da-fA-F]{1,4}){1,2}|:))|(([\da-fA-F]{1,4}:){5}:([\da-fA-F]{1,4})?)|(([\da-fA-F]{1,4}:){6}:)))|(((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/(\d|[1-2]\d|3[0-2]))?)|((([\da-fA-F]{1,4}:){6}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(::([\da-fA-F]{1,4}:){0,4}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:):([\da-fA-F]{1,4}:){0,3}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){2}:([\da-fA-F]{1,4}:){0,2}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){3}:([\da-fA-F]{1,4}:){0,1}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){4}:((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){7}[\da-fA-F]{1,4}(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(:((:[\da-fA-F]{1,4}){1,6}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|([\da-fA-F]{1,4}:((:[\da-fA-F]{1,4}){1,5}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){2}((:[\da-fA-F]{1,4}){1,4}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){3}((:[\da-fA-F]{1,4}){1,3}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){4}((:[\da-fA-F]{1,4}){1,2}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){5}:([\da-fA-F]{1,4})?(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){6}:(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)))$
多行匹配
上面给出的都是单行正则匹配
同事又提出，想要多行正则匹配（下面例子中换行符用 \n 表示）
若正则表达式为
^a$|^b$
则等价于
^((a)|(b))$
多行正则匹配为
^(((a)|(b))[\n])*((a)|(b))$
多行 IPV4/IPV6 + mask
^(((((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/(\d|[1-2]\d|3[0-2]))?)|(([\da-fA-F]{1,4}:){6}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(::([\da-fA-F]{1,4}:){0,4}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:):([\da-fA-F]{1,4}:){0,3}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){2}:([\da-fA-F]{1,4}:){0,2}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){3}:([\da-fA-F]{1,4}:){0,1}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){4}:((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){7}[\da-fA-F]{1,4}(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(:((:[\da-fA-F]{1,4}){1,6}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|([\da-fA-F]{1,4}:((:[\da-fA-F]{1,4}){1,5}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){2}((:[\da-fA-F]{1,4}){1,4}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){3}((:[\da-fA-F]{1,4}){1,3}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){4}((:[\da-fA-F]{1,4}){1,2}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){5}:([\da-fA-F]{1,4})?(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){6}:(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?))[\n])*((((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/(\d|[1-2]\d|3[0-2]))?)|(([\da-fA-F]{1,4}:){6}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(::([\da-fA-F]{1,4}:){0,4}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:):([\da-fA-F]{1,4}:){0,3}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){2}:([\da-fA-F]{1,4}:){0,2}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){3}:([\da-fA-F]{1,4}:){0,1}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){4}:((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){7}[\da-fA-F]{1,4}(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(:((:[\da-fA-F]{1,4}){1,6}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|([\da-fA-F]{1,4}:((:[\da-fA-F]{1,4}){1,5}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){2}((:[\da-fA-F]{1,4}){1,4}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){3}((:[\da-fA-F]{1,4}){1,3}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){4}((:[\da-fA-F]{1,4}){1,2}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){5}:([\da-fA-F]{1,4})?(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){6}:(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?))$
用了以上正则表达式，就可匹配下面的 IP 组合
1.1.1.1
::1
2.2.2.2/24
1::/16
多行 IPV4/IPV6 不带子网前缀
^(((((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){6}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(::([\da-fA-F]{1,4}:){0,4}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:):([\da-fA-F]{1,4}:){0,3}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){2}:([\da-fA-F]{1,4}:){0,2}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){3}:([\da-fA-F]{1,4}:){0,1}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){4}:((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){7}[\da-fA-F]{1,4})|(:((:[\da-fA-F]{1,4}){1,6}|:))|([\da-fA-F]{1,4}:((:[\da-fA-F]{1,4}){1,5}|:))|(([\da-fA-F]{1,4}:){2}((:[\da-fA-F]{1,4}){1,4}|:))|(([\da-fA-F]{1,4}:){3}((:[\da-fA-F]{1,4}){1,3}|:))|(([\da-fA-F]{1,4}:){4}((:[\da-fA-F]{1,4}){1,2}|:))|(([\da-fA-F]{1,4}:){5}:([\da-fA-F]{1,4})?)|(([\da-fA-F]{1,4}:){6}:))[\n])*((((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){6}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(::([\da-fA-F]{1,4}:){0,4}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:):([\da-fA-F]{1,4}:){0,3}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){2}:([\da-fA-F]{1,4}:){0,2}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){3}:([\da-fA-F]{1,4}:){0,1}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){4}:((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){7}[\da-fA-F]{1,4})|(:((:[\da-fA-F]{1,4}){1,6}|:))|([\da-fA-F]{1,4}:((:[\da-fA-F]{1,4}){1,5}|:))|(([\da-fA-F]{1,4}:){2}((:[\da-fA-F]{1,4}){1,4}|:))|(([\da-fA-F]{1,4}:){3}((:[\da-fA-F]{1,4}){1,3}|:))|(([\da-fA-F]{1,4}:){4}((:[\da-fA-F]{1,4}){1,2}|:))|(([\da-fA-F]{1,4}:){5}:([\da-fA-F]{1,4})?)|(([\da-fA-F]{1,4}:){6}:))$
多行 IPV4-IPV4 或 IPV6-IPV6 或 IPV6 + mask 或 IPV4 + mask
^((((((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))-(((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)))|(((([\da-fA-F]{1,4}:){6}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(::([\da-fA-F]{1,4}:){0,4}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:):([\da-fA-F]{1,4}:){0,3}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){2}:([\da-fA-F]{1,4}:){0,2}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){3}:([\da-fA-F]{1,4}:){0,1}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){4}:((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){7}[\da-fA-F]{1,4})|(:((:[\da-fA-F]{1,4}){1,6}|:))|([\da-fA-F]{1,4}:((:[\da-fA-F]{1,4}){1,5}|:))|(([\da-fA-F]{1,4}:){2}((:[\da-fA-F]{1,4}){1,4}|:))|(([\da-fA-F]{1,4}:){3}((:[\da-fA-F]{1,4}){1,3}|:))|(([\da-fA-F]{1,4}:){4}((:[\da-fA-F]{1,4}){1,2}|:))|(([\da-fA-F]{1,4}:){5}:([\da-fA-F]{1,4})?)|(([\da-fA-F]{1,4}:){6}:))-((([\da-fA-F]{1,4}:){6}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(::([\da-fA-F]{1,4}:){0,4}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:):([\da-fA-F]{1,4}:){0,3}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){2}:([\da-fA-F]{1,4}:){0,2}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){3}:([\da-fA-F]{1,4}:){0,1}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){4}:((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){7}[\da-fA-F]{1,4})|(:((:[\da-fA-F]{1,4}){1,6}|:))|([\da-fA-F]{1,4}:((:[\da-fA-F]{1,4}){1,5}|:))|(([\da-fA-F]{1,4}:){2}((:[\da-fA-F]{1,4}){1,4}|:))|(([\da-fA-F]{1,4}:){3}((:[\da-fA-F]{1,4}){1,3}|:))|(([\da-fA-F]{1,4}:){4}((:[\da-fA-F]{1,4}){1,2}|:))|(([\da-fA-F]{1,4}:){5}:([\da-fA-F]{1,4})?)|(([\da-fA-F]{1,4}:){6}:)))|(((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/(\d|[1-2]\d|3[0-2]))?)|((([\da-fA-F]{1,4}:){6}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(::([\da-fA-F]{1,4}:){0,4}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:):([\da-fA-F]{1,4}:){0,3}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){2}:([\da-fA-F]{1,4}:){0,2}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){3}:([\da-fA-F]{1,4}:){0,1}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){4}:((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){7}[\da-fA-F]{1,4}(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(:((:[\da-fA-F]{1,4}){1,6}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|([\da-fA-F]{1,4}:((:[\da-fA-F]{1,4}){1,5}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){2}((:[\da-fA-F]{1,4}){1,4}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){3}((:[\da-fA-F]{1,4}){1,3}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){4}((:[\da-fA-F]{1,4}){1,2}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){5}:([\da-fA-F]{1,4})?(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){6}:(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)))[\n])*(((((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))-(((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)))|(((([\da-fA-F]{1,4}:){6}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(::([\da-fA-F]{1,4}:){0,4}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:):([\da-fA-F]{1,4}:){0,3}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){2}:([\da-fA-F]{1,4}:){0,2}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){3}:([\da-fA-F]{1,4}:){0,1}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){4}:((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){7}[\da-fA-F]{1,4})|(:((:[\da-fA-F]{1,4}){1,6}|:))|([\da-fA-F]{1,4}:((:[\da-fA-F]{1,4}){1,5}|:))|(([\da-fA-F]{1,4}:){2}((:[\da-fA-F]{1,4}){1,4}|:))|(([\da-fA-F]{1,4}:){3}((:[\da-fA-F]{1,4}){1,3}|:))|(([\da-fA-F]{1,4}:){4}((:[\da-fA-F]{1,4}){1,2}|:))|(([\da-fA-F]{1,4}:){5}:([\da-fA-F]{1,4})?)|(([\da-fA-F]{1,4}:){6}:))-((([\da-fA-F]{1,4}:){6}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(::([\da-fA-F]{1,4}:){0,4}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:):([\da-fA-F]{1,4}:){0,3}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){2}:([\da-fA-F]{1,4}:){0,2}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){3}:([\da-fA-F]{1,4}:){0,1}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){4}:((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?))|(([\da-fA-F]{1,4}:){7}[\da-fA-F]{1,4})|(:((:[\da-fA-F]{1,4}){1,6}|:))|([\da-fA-F]{1,4}:((:[\da-fA-F]{1,4}){1,5}|:))|(([\da-fA-F]{1,4}:){2}((:[\da-fA-F]{1,4}){1,4}|:))|(([\da-fA-F]{1,4}:){3}((:[\da-fA-F]{1,4}){1,3}|:))|(([\da-fA-F]{1,4}:){4}((:[\da-fA-F]{1,4}){1,2}|:))|(([\da-fA-F]{1,4}:){5}:([\da-fA-F]{1,4})?)|(([\da-fA-F]{1,4}:){6}:)))|(((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/(\d|[1-2]\d|3[0-2]))?)|((([\da-fA-F]{1,4}:){6}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(::([\da-fA-F]{1,4}:){0,4}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:):([\da-fA-F]{1,4}:){0,3}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){2}:([\da-fA-F]{1,4}:){0,2}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){3}:([\da-fA-F]{1,4}:){0,1}((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){4}:((25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(25[0-5]|2[0-4]\d|[01]?\d\d?)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){7}[\da-fA-F]{1,4}(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(:((:[\da-fA-F]{1,4}){1,6}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|([\da-fA-F]{1,4}:((:[\da-fA-F]{1,4}){1,5}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){2}((:[\da-fA-F]{1,4}){1,4}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){3}((:[\da-fA-F]{1,4}){1,3}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){4}((:[\da-fA-F]{1,4}){1,2}|:)(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){5}:([\da-fA-F]{1,4})?(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)|(([\da-fA-F]{1,4}:){6}:(\/([1-9]?\d|(1([0-1]\d|2[0-8]))))?)))$
用了以上正则表达式，就可匹配下面的 IP 组合
1.1.1.1
1.1.1.2-1.1.1.3
1.1.2.0/24
::1
::2-1::
2::/64
