Valid Palindrome
Understand how to determine if a string is a valid palindrome by applying the two pointers pattern. Learn to process strings by converting cases and filtering out non-alphanumeric characters, enabling you to handle common coding interview questions efficiently.
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: