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Update Check_for_palindrome.md

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Yes it's working and I double checked
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Meet Zaveri
2017-12-12 16:42:59 +05:30
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snippets/Check_for_palindrome.md
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### Check For Palindrome
Steps :
1. First Converted to form in which no non-alphanumeric character is present i.e. string which is to be compared
2. Then Converted to palindrome form in which characters will be reversed and will be compared to non-alphanumeric string
```
function palindrome(str) {
var rg =/[\W_]/g;
var low_rep=str.toLowerCase().replace(rg,'');
var final= low_rep.split('').reverse().join('');
return final == low_rep;
}
palindrome = str => (str.toLowerCase().replace(/[\W_]/g,'').split('').reverse().join('')==str.toLowerCase().replace(/[\W_]/g,''));
```