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Stoffo/palindrome.js

Last active December 10, 2015 12:52
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  1. Stoffo revised this gist Dec 10, 2015. 1 changed file with 2 additions and 1 deletion.
    3 changes: 2 additions & 1 deletion palindrome.js
    View file
    Original file line number Diff line number Diff line change
    @@ -1,6 +1,7 @@
    function palindrome(str) {
    // Convert to lower case and replace everything what's not a letter or a number.
    var x = str.toLowerCase().replace(/[^a-z0-9]/g, '');

    //convert string to array, turn it around and put it back together an match it against filtered string:
    return x.split('').reverse().join('') === x;
    }

  2. Stoffo created this gist Dec 10, 2015.
    23 changes: 23 additions & 0 deletions palindrome.js
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    Original file line number Diff line number Diff line change
    @@ -0,0 +1,23 @@
    function palindrome(str) {
    var x = str.toLowerCase().replace(/[^a-z0-9]/g, '');

    return x.split('').reverse().join('') === x;
    }


    palindrome("eye");


    /*
    palindrome("eye") should return a boolean.
    palindrome("eye") should return true.
    palindrome("race car") should return true.
    palindrome("not a palindrome") should return false.
    palindrome("A man, a plan, a canal. Panama") should return true.
    palindrome("never odd or even") should return true.
    palindrome("nope") should return false.
    palindrome("almostomla") should return false.
    palindrome("My age is 0, 0 si ega ym.") should return true.
    palindrome("1 eye for of 1 eye.") should return false.
    palindrome("0_0 (: /-\ :) 0-0") should return true.
    */