Solution: Valid Palindrome
Explore how to verify if a string is a valid palindrome by applying the two pointers method. This lesson guides you through initializing pointers, skipping non-alphanumeric characters, performing case-insensitive comparisons, and achieving an efficient solution with optimal time and space complexity.
Statement
Given a string, s, return TRUE if it is a palindrome; otherwise, return FALSE.
A phrase is considered a palindrome if it reads the same backward as forward after converting all uppercase letters to lowercase and removing any characters that are not letters or numbers. Only alphanumeric characters (letters and digits) are taken into account.
Constraints:
s.length...