ROT13 variation for Georgian Alphabet.

rot17.js

String.prototype.rot17 = function() {
  return this.replace(/[ა-ჱ]/g, function(c) {
    c = c.charCodeAt() + 17;
    return String.fromCharCode(c <= 4337 ? c : c - 34);
  });
};

ROT13 variation for Georgian Alphabet.

ROT13 ("rotate by 13 places", sometimes hyphenated ROT-13) is a simple letter substitution cipher that replaces a letter with the letter 13 letters after it in the alphabet. ROT13 is a special case of the Caesar cipher, developed in ancient Rome. Wikipedia

Actually, in Georgian alphabet there are 33 letters, so I had to add an old letter 'ჱ' (which is not in common use by now) and rotate it by 17 places.

Usage

'აბგდ'.rot17(); // 'სტუფ'
'სტუფ'.rot17(); // 'აბგდ'

More examples

'ვაშლი'.rot17(); // 'ღსთძჩ'
'უხუხ'.rot17(); // 'გოგო'
'ქუჩა'.rot17(); // 'ეგის'

For live example see fiddle

ბარემ პირდაპირ ცეზარი დაგეწერა :D

ცეზარი რაარი?

http://en.wikipedia.org/wiki/Caesar_cipher

p.s appetizer 😱

@nodar magashic gamodgeba :))