Stringer

function Stringer(string){
    var that = this;
    this.string = string;
    this.trim = function(regex){
        regex = regex || '\\s';
        var start = new RegExp('^' + regex + '*');
        var end = new RegExp(regex + '*$');
        return that.string.replace(start, '').replace(end, '');
    };
}