private boolean isPasswordValid(String e){
        //At least 1 each Letter, Number, Spec. Character
        //Letter pattern
        Pattern letterPat = Pattern.compile("[\\w[^\\d_]]");
        Matcher letterMat = letterPat.matcher(e);
        //Number pattern
        Pattern numberPat = Pattern.compile("\\d");
        Matcher numberMat = numberPat.matcher(e);
        //Special Char pattern
        Pattern specialPat = Pattern.compile("\\W");
        Matcher specialMat = specialPat.matcher(e);
        
        return letterMat.find()&&numberMat.find()&&specialMat.find();
    }