sonygod - 2007-06-14

I get a problem in org.as2lib.regexp.Matcher replaceAll function !

here my code

import org.as2lib.regexp.Pattern;
import org.as2lib.regexp.Matcher;

class test.Regex1 {
    public static function main(container : MovieClip) : Void {
    var  str="pageinfo4 pageinfo5 pageinfo6 pageinfo7 picture5 picture6 picture9";
        var  regEx="pageinfo[0-9]+";
        var p:Pattern=new Pattern(regEx);
        var m:Matcher=p.getMatcher(str);
        var s:String=m.replaceAll("page");
        trace(s);
       
    }
   
}

///////////////////////////////
when I run this swf ,
It's through a big warning say that too slowl to run?why?