omgz0rify.js

(function(){
    function ℓ(c){return(c.toLowerCase()==c);}
    String.prototype.ℛ=function(e,s){return this.replace(e,s.length>1?s:function(m){return(ℓ(m[0])?s:s.toUpperCase());});};
    
    function omgz0rify(s) {
        return s
        .ℛ(/s/ig,'z')               //     s -> z
        .ℛ(/v/ig,'w')               //     v -> w
        .ℛ(/o/ig,'0')               //     o -> 0
        .ℛ(/ae/ig,'æ')              //    ae -> æ
        .ℛ(/er/ig,'r')              //    er -> r
        .ℛ(/en/ig, 'n')             //    en -> n
        .ℛ(/ekz/ig,'x')             //   eks -> x
        .ℛ(/(c|k)u/ig,'q')          // cu|ku -> q
        .ℛ(/le([\s,.?!-])/g, 'l$1') //    le -> l (end of words)
        .ℛ(/([a-zæøå]{3})[aeiouyæøå]([\s,.?!-])/gi,'$1'+'0r$2')     // replace last vovel with 0r in words longer than 4-letters
        .ℛ(/([a-zæøå]{3}[b-df-hj-no-tv-x])([\s,.?!-])/gi,'$1z0r$2') // append z0r to words longer than 4-letters ending with a consonant
        //.ℛ(/([a-zæøå]{2,}[aeiouyæøå][bdfgkmnpt]{1,2})[a-zæøå]*/ig, '$1z0r'); // W.I.P
    }
    
    var n,a=[],w=document.createTreeWalker(document.body);
    while((n=w.nextNode()))a.push(n);
    a.forEach(function(n){if(n.data)n.data=omgz0rify(n.data);})
})();