String.replaceAll(String regex, String replacement) question

From: Mladen Adamovic (adamm_at_blic.net)
Date: 12/03/03 

Date: Wed, 3 Dec 2003 17:36:00 +0100

I tried to replace " with \".
s.replaceAll("[\"]",\\\"");
but it does nothing!!

I tried then
s.replaceAll("[\Q"\E]","\Q\"\E")
but I got five sintax error?!?!?!?

I'm using JDK 1.4.2_01.

What's wrong?