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@madr madr/rövardansen.js
Last active Sep 4, 2017

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function encrypt (str) {
return str.replace(/([^aeiouöäå01-9])/gi, (c) => { return `${c}o${c}`; });
}
function decrypt (str) {
return str.replace(/([^aeiouöäå01-9])o([^aeiouöäå01-9])/gi, (origin, first, last) => {
return (first == last)? first: origin;
});
}
let encrypted = encrypt("Rövarspråket"); // "RoRövovarorsospoproråkoketot"
let decrypted = decrypt(encrypted); // "Rövarspråket"
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