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30-seconds-of-code/snippets/Check_for_palindrome.md
2017-12-12 16:25:13 +02:00

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### Check for palindrome
Convert string `toLowerCase()` and use `replace()` to remove non-alphanumeric characters from it.
Then, `split('')` into individual characters, `reverse()`, `join('')` and compare to the original, unreversed string, after converting it `tolowerCase()`.
```js
const palindrome = str => (str.toLowerCase().replace(/[\W_]/g,'').split('').reverse().join('')==str.toLowerCase().replace(/[\W_]/g,''));
```