Reverse a string
Return the characters of the string in reverse order.
Palindrome check
Return True if the string reads the same forwards and backwards (ignoring case and non-alphanumeric).
Count vowels
Count the number of vowels (a, e, i, o, u) in a string (case-insensitive).
Title case converter
Return the string with each word capitalised.
Anagram check
Return True if two strings are anagrams of each other.
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