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PR-URL: https://github.com/nodejs/node/pull/47251 Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Richard Lau <rlau@redhat.com>
16 lines
771 B
JavaScript
16 lines
771 B
JavaScript
// Copyright 2022 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Make sure lone surrogates don't match combined surrogates.
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assertFalse(/[\ud800-\udfff]+/u.test('\ud801\udc0f'));
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// Surrogate pairs split by an "always succeeding" backref shouldn't match
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// combined surrogates.
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assertFalse(/(\ud801\1\udc0f)/u.test('\ud801\udc0f'));
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assertFalse(/(\ud801\1?\udc0f)/u.test('\ud801\udc0f'));
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assertFalse(/(\ud801\1{0}\udc0f)/u.test('\ud801\udc0f'));
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assertFalse(new RegExp('(\ud801\\1\udc0f)','u').test('\ud801\udc0f'));
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assertFalse(new RegExp('(\ud801\\1?\udc0f)','u').test('\ud801\udc0f'));
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assertFalse(new RegExp('(\ud801\\1{0}\udc0f)','u').test('\ud801\udc0f'));
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