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Merge pull requestneetcode-gh#2417 from krishna1m/0125-valid-palindrome

Create 0125-valid-palindrome.scala

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	`1`	`+objectSolution {`
	`2`	`+defisPalindrome(s:String):Boolean= {`
	`3`	`+valsmallCased= s.toLowerCase`
	`4`	`+// removing all non-alphanumeric characters`
	`5`	`+valnotAlphaNumericRegex="""[\W_]""".r`
	`6`	`+valtoCompareWith= notAlphaNumericRegex.replaceAllIn(smallCased,"")`
	`7`	`+`
	`8`	`+valreversed= toCompareWith.reverse`
	`9`	`+ toCompareWith== reversed`
	`10`	`+ }`
	`11`	`+}`

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