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