Valid Palindrome
Understand how to check if a given string is a valid palindrome by converting uppercase letters to lowercase and ignoring non-alphanumeric characters. Learn to apply the two pointers approach to efficiently solve this common coding interview problem. Implement and test your solution in a hands-on environment.
We'll cover the following...
We'll cover the following...
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: