Meta OA Question 2024 April | Two Pointers & Strings | on-campus

Question: Valid Palindrome Problem Statement A phrase is a palindrome if, after converting all uppercase letters into lowercase letters and removing all non-alphanumeric characters, it reads the same forward and backward. Alphanumeric characters include letters and numbers. Given a string s, return true if it is a palindrome, or false otherwise. Constraints 1 <= s.length <= 2 × 105 s consists only of printable ASCII characters. Examples Example 1: Input: s = "A man, a plan, a canal: Panama" Output: ...