jerryscript/tests/jerry/regexp-backreference.js
László Langó e027b4d65d Enable regular expressions.
- add regular expressions support to JS parser and interpreter;
- add tests for regular expressions.

JerryScript-DCO-1.0-Signed-off-by: Szilard Ledan szledan.u-szeged@partner.samsung.com
JerryScript-DCO-1.0-Signed-off-by: László Langó llango.u-szeged@partner.samsung.com
2015-06-26 13:31:10 +02:00

28 lines
894 B
JavaScript

// Copyright 2015 Samsung Electronics Co., Ltd.
// Copyright 2015 University of Szeged.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
var r;
r = new RegExp ("(a)b\\1").exec("aba");
assert (r[0] == "aba");
assert (r[1] == "a");
r = new RegExp ("(a)b\\1").exec("b");
assert (r == undefined);
r = new RegExp ("(a)*b\\1").exec("b");
assert (r[0] == "b");
assert (r[1] == undefined);