Android 手机号正则判断

//手机号判断 true为通过验证     
public static boolean isChinaPhoneLegal(String str) throws PatternSyntaxException {
        if (str == null) {
            return false;
        }
        if (str.length() != 11) {
            return false;
        }
        String regExp = "^((13[0-9])|(15[^4])|(18[0,2,3,5-9])|(17[0-8])|(147))\\d{8}$";
        Pattern p = Pattern.compile(regExp);
        Matcher m = p.matcher(str);
        return m.matches();
    }