```js
function palindrome(str) {
var string = str.replace(/[^a-zA-Z0-9]+/g, "").toLowerCase();
var a = [];
var b = [];
a = string.split('').join('');
b = string.split('').reverse().join('');
if (a === b) {
return true;
} else {
return false;
}
}
palindrome("1 eye for of 1 eye.");
```
A simple palindromes check
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