// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.

js> escape(/[\u0000]/.exec("\u0000"))
%00
js> escape(/[^\u0000]/.exec("\u0000"))
null
