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IsPalindrome

Language/Type: VB string parameters return boolean

Write a function named IsPalindrome that accepts a string parameter and returns True if that string is a palindrome, or False if it is not a palindrome.

For this problem, a palindrome is defined as a string that contains exactly the same sequence of characters forwards as backwards, case-insensitively. For example, "madam" or "racecar" are palindromes, so the call of IsPalindrome("racecar") would return True. Spaces, punctuation, and any other characters should be treated the same as letters so a multi-word string such as "dog god" could be a palindrome, as could a gibberish string such as "123 $$ 321". The empty string and all one-character strings are palindromes by our definition. Your code should ignore case, so a string like "Madam" or "RACEcar" would also count as palindromes.

Function: Write a VB function as described, not a complete program.

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