Две версии Функции. что выбрать?

function DelJS(const Code:string):string;
var
Buffer:string;
StartTeg:integer;
EndTeg:integer;
i:integer;
begin
 Buffer:=Code;
   repeat
     try
         StartTeg:=Pos('<script', Buffer);
         EndTeg:=Pos('</script>', Buffer);
         Delete(Buffer, StartTeg, EndTeg-StartTeg+9);
         i:=Pos('<script', Buffer);
     except
       break
     end;
     until  i = 0;
   Result:=Buffer;
end;

function DelJS(const Code:string):string;
var
EndTeg:string;
Buffer:string;
index1:integer;
index2:integer;
i:integer;
begin
EndTeg:='</script>';
Buffer:=Code;
  index1:=Pos('<script', Buffer);
    while (index1 <> 0) do
      begin
        index2 := index1;
        i := 1;
          while i <> 10 do
           begin
            try
             Inc(index2);
              if Buffer[index2] = EndTeg[i] then
               Inc(i)
             else
               i := 1;
             except
               break
             end;
           end;
         Delete(Buffer, index1, index2 - index1 + 1);
       index1 := Pos('<script', Buffer);
     end;
  Result := Buffer;
end;