[BARABANTEMO]

function tgtrimm(str){
    var str = str.replace(/\s.{0,3}\s/g,' ').replace(/([.,:\/!1234567890@#$%^&*()\u9999])|([|])|(^\s+)|(\s+$)/g,'').replace(/\s+/g,' ').replace(/\s+/g,', ');
    return str;
}

$('input[name="title"]').keyup(function(){
    $('input[name="tags"]').val(tgtrimm($(this).val()));
});