public/javascripts/yui/yuiloader/yuiloader.js
function(str) {
            var f = this.filter;
            return (f) ?  str.replace(new RegExp(f.searchExp, 'g'), f.replaceStr) : str;
        }
function(str) {
            var f = this.filter;
            return (f) ?  str.replace(new RegExp(f.searchExp, 'g'), f.replaceStr) : str;
        }
function ( str ) { var f = this . filter ; return ( f ) ? str . replace ( new RegExp ( f . searchExp , 'g' ) , f . replaceStr ) : str ; }
Applies filter
method _filter
@return {string} the filtered string
@private
Applies filter method _filter