[ZoNT]

var reg = /Number of tube\(+[^\)\(]+\)+/g;
var str = "1) Number of tube((13 Hi all people * _ +)) Number of tube((HI AKK)) Number of Kills ((Privet)) Number of tube((HI HOUSE))";
var arr=str.match(reg,'').join('').replace(/\)+/g,'').split(/Number of tube\(+/);
alert(arr);