caseInsensitiveEqual("hi", "HI") === true
caseInsensitiveEqual("hi", "hi") === true
caseInsensitiveEqual("hi", "HI") === true
caseInsensitiveEqual("hi", "HI!") === false
caseInsensitiveEqual("hí", "HI") === false
caseInsensitiveEqual("hí", "HÍ") === true
caseInsensitiveEqual("hII", "Hii") === true
Case insentive comparison of two strings. If the characters have the same letters even if they have a different case it will return true