18 lines
643 B
JavaScript
18 lines
643 B
JavaScript
description("Test to ensure correct behaviour when using backreferences in a RegExp");
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shouldBeTrue("/(...)\\1$/.test('abcabc')");
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shouldBeFalse("/(...)\\1$/.test('abcdef')");
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shouldBeFalse("/(...)\\2$/.test('abcabc')");
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shouldBeFalse("/(...)\\2$/.test('abc')");
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shouldBeTrue("/\\1(...)$/.test('abcabc')");
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shouldBeTrue("/\\1(...)$/.test('abcdef')");
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shouldBeFalse("/\\2(...)$/.test('abcabc')");
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shouldBeFalse("/\\2(...)$/.test('abc')");
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shouldBeTrue("/\\1?(...)$/.test('abc')");
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shouldBeTrue("/\\1?(...)$/.test('abc')");
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re = new RegExp("[^b]*((..)|(\\2))+Sz", "i");
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shouldBeFalse("re.test('axabcd')");
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shouldBeTrue("re.test('axabcsz')");
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