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https://github.com/jerryscript-project/jerryscript.git
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8f76a1f382
This change includes several bugfixes, general improvements, and support for additional features. - Added full support for web compatibility syntax defined in Annex B - Implemented parsing and matching patterns in unicode mode - Fixed capture results when iterating with nested capturing groups - Significantly reduced regexp bytecode size - Reduced stack usage during regexp execution - Improved matching performance JerryScript-DCO-1.0-Signed-off-by: Dániel Bátyai dbatyai@inf.u-szeged.hu
30 lines
1013 B
JavaScript
30 lines
1013 B
JavaScript
// Copyright JS Foundation and other contributors, http://js.foundation
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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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assert (JSON.stringify (/[[]?(a)\1/.exec("aa")) === '["aa","a"]');
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assert (JSON.stringify (/\1{2,5}()\B/.exec("asd")) === '["",""]');
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