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23
24description("Test to ensure correct behaviour when using backreferences in a RegExp");
25
26shouldBeTrue("/(...)\\1$/.test('abcabc')");
27shouldBeFalse("/(...)\\1$/.test('abcdef')");
28shouldBeFalse("/(...)\\2$/.test('abcabc')");
29shouldBeFalse("/(...)\\2$/.test('abc')");
30shouldBeTrue("/\\1(...)$/.test('abcabc')");
31shouldBeTrue("/\\1(...)$/.test('abcdef')");
32shouldBeFalse("/\\2(...)$/.test('abcabc')");
33shouldBeFalse("/\\2(...)$/.test('abc')");
34shouldBeTrue("/\\1?(...)$/.test('abc')");
35shouldBeTrue("/\\1?(...)$/.test('abc')");
36
37re = new RegExp("[^b]*((..)|(\\2))+Sz", "i");
38
39shouldBeFalse("re.test('axabcd')");
40shouldBeTrue("re.test('axabcsz')");
41