public static boolean isQuoteByIgnoreBlank(CharSequence cs, char lc, char rc) {
        if (null == cs) {
            return false;
        }
        int len = cs.length();
        if (len < 2) {
            return false;
        }
        int l = 0;
        int last = len - 1;
        int r = last;
        for (; l < len; l++) {
            if (!Character.isWhitespace(cs.charAt(l))) {
                break;
            }
        }
        if (cs.charAt(l) != lc) {
            return false;
        }
        for (; r > l; r--) {
            if (!Character.isWhitespace(cs.charAt(r))) {
                break;
            }
        }
        return l < r && cs.charAt(r) == rc;
    }