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tomkel/rot13.js

Created September 25, 2015 16:59
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rot13.js
function rot13(message) {
return message.replace(/[A-Za-z]/g, function(input){
var charCode = input.charCodeAt(0);
var start = charCode <= 'Z' ? 65 : 97;
charCode = (charCode - start + 13) % 26 + start;
return String.fromCharCode(charCode);
});
}
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