A module for checking if a given string is a palindrome. Checks if the given string is a palindrome. A palindrome is a sequence that reads the same backward as forward. This function ignores non-alphanumeric characters and is case-insensitive. # Arguments `s` - A string slice that represents the input to be checked. # Returns `true` if the string is a palindrome; otherwise, `false`.
(s: &str)
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