Commit 8d8d177

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Ispalindrome algorithm

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	`1`	`+function isPalindrome(string) {`
	`2`	`+ string = string.toLowerCase();`
	`3`	`+ let charactersArr = string.split('');`
	`4`	`+ let validCharacters = 'abcdefghijklmnopqrstuvwxyz'.split('');`
	`5`	`+`
	`6`	`+ let lettersArr = [];`
	`7`	`+ charactersArr.forEach(char => {`
	`8`	`+ if (validCharacters.indexOf(char) > -1) lettersArr.push(char);`
	`9`	`+ });`
	`10`	`+`
	`11`	`+ if (lettersArr.join('') === lettersArr.reverse().join('')) return true;`
	`12`	`+ else return false;`
	`13`	`+ }`
	`14`	`+`
	`15`	`+ console.log(isPalindrome("Madam I'm Adam"));`

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