In this problem, your job to write a function to check whether a input string is a valid IPv4 address or IPv6 address or neither. IPv4 addresses are canonically represented in dot-decimal notation, which consists of four decimal numbers, each ranging…

In this problem, your job to write a function to check whether a input string is a valid IPv4 address or IPv6 address or neither. IPv4 addresses are canonically represented in dot-decimal notation, which consists of four decimal numbers, each ranging…

[LeetCode]468. Validate IP Address 解题报告(Python) 标签(空格分隔): LeetCode 作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.me/ 题目地址:https://leetcode.com/problems/validate-ip-address/description/ 题目描述: Write a function to check whether an input string is…

93. Restore IP Addresses Given a string containing only digits, restore it by returning all possible valid IP address combinations. For example: Given "25525511135", return ["255.255.11.135", "255.255.111.35"]. (Order does no…

Given a string containing only digits, restore it by returning all possible valid IP address combinations. For example:Given"25525511135", return["255.255.11.135", "255.255.111.35"]. (Order does not matter) 题意:给定一由纯数字组成的字符串,以…

题目 Given a string containing only digits, restore it by returning all possible valid IP address combinations. For example: Given "25525511135", return ["255.255.11.135", "255.255.111.35"]. (Order does not matter) 原题链接(点我) 解题思…

it is all about corner-cases... class Solution(object): def validIP4(self, IP): def validNum4(s): try: # leading zero, negative ] == ) or s[] == '-': return False # value range v = int(s) and v <= ): return False except ValueError: return False retur…

Write a function to check whether an input string is a valid IPv4 address or IPv6 address or neither. IPv4 addresses are canonically represented in dot-decimal notation, which consists of four decimal numbers, each ranging from 0 to 255, separated by…

详见:https://leetcode.com/problems/validate-ip-address/description/ Java实现: class Solution { public String validIPAddress(String IP) { if (isIpV4(IP)) { return "IPv4"; } else if (isIpV6(IP)) { return "IPv6"; } else { return "Neither…

Reference: [1] https://www.mkyong.com/regular-expressions/how-to-validate-ip-address-with-regular-expression/ import java.util.regex.Matcher; import java.util.regex.Pattern; public class IPAddressValidator{ private Pattern pattern; private Matcher ma…