Mid/SeniorString
Validate IP Address
Given a string queryIP, return "IPv4" if queryIP is a valid IPv4 address, "IPv6" if queryIP is a valid IPv6 address, or "Neither" if queryIP is not a correct IP of any type.
A valid IPv4 address is an IP in the form "x1.x2.x3.x4" where 0 <= xi <= 255 and xi cannot contain leading zeros.
A valid IPv6 address is an IP in the form "x1:x2:x3:x4:x5:x6:x7:x8" where:
1 <= xi.length <= 4xiis a hexadecimal string which may contain digits, lowercase English letters ('a'to'f'), and upper-case English letters ('A'to'F').- Leading zeros are allowed in
xi.
Example 1
Input
queryIP = "172.16.254.1"Output
"IPv4"This is a valid IPv4 address, return "IPv4".
Example 2
Input
queryIP = "2001:0db8:85a3:0:0:8A2E:0370:7334"Output
"IPv6"This is a valid IPv6 address, return "IPv6".
Constraints
queryIPconsists only of English letters, digits and the characters'.'and':'.