Given a string s, return true if it is a palindrome and false otherwise. A palindrome reads the same forward and backward. For this problem, compare characters case-insensitively and ignore all non-alphanumeric characters.
Problem
Given a string s, return true if it is a palindrome and false otherwise. A palindrome reads the same forward and backward. For this problem, compare characters case-insensitively and ignore all non-alphanumeric characters.
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