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Grokking the Coding Interview Patterns in C++

Valid Palindrome

Explore how to determine if a string reads the same forward and backward while ignoring cases and non-alphanumeric characters. Understand the two pointers approach to solve this palindrome validation problem efficiently, build a clear problem-solving framework, and implement your solution in the provided coding environment.

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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:

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