LeetCode 1108. Defanging an IP Address--C++,Python解法

题目地址：Defanging an IP Address - LeetCode

---

Given a valid (IPv4) IP address, return a defanged version of that IP address.

A defanged IP address replaces every period “.” with “[.]”.

Example 1:

Input: address = "1.1.1.1"
Output: "1[.]1[.]1[.]1"

Example 2:

Input: address = "255.100.50.0"
Output: "255[.]100[.]50[.]0"

Constraints:

The given address is a valid IPv4 address.

---

这道题目很简单，很水。
Python解法如下：

class Solution:
    def defangIPaddr(self, address: str) -> str:
        return address.replace('.','[.]')

C++解法如下：

class Solution {
public:
    string defangIPaddr(string address) {
        return regex_replace(address, regex("[.]"), "[.]");
    }
};