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Leetcode - Defanging an IP Address Solution

Poor Man
Published
Updated
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1 min read

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

A defanged IP address replaces every period "." with "[.]".

Example 1:

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

Example 2:

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

Constraints:

  • The given address is a valid IPv4 address.

Solution in Python#

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