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23
24description(
25"This page tests the regex examples from the ECMA-262 specification."
26);
27
28var regex01 = /a|ab/;
29shouldBe('regex01.exec("abc")', '["a"]');
30
31var regex02 = /((a)|(ab))((c)|(bc))/;
32shouldBe('regex02.exec("abc")', '["abc", "a", "a", undefined, "bc", undefined, "bc"]');
33
34var regex03 = /a[a-z]{2,4}/;
35shouldBe('regex03.exec("abcdefghi")', '["abcde"]');
36
37var regex04 = /a[a-z]{2,4}?/;
38shouldBe('regex04.exec("abcdefghi")', '["abc"]');
39
40var regex05 = /(aa|aabaac|ba|b|c)*/;
41shouldBe('regex05.exec("aabaac")', '["aaba", "ba"]');
42
43var regex06 = /^(a+)\1*,\1+$/;
44shouldBe('"aaaaaaaaaa,aaaaaaaaaaaaaaa".replace(regex06,"$1")', '"aaaaa"');
45
46var regex07 = /(z)((a+)?(b+)?(c))*/;
47shouldBe('regex07.exec("zaacbbbcac")', '["zaacbbbcac", "z", "ac", "a", undefined, "c"]');
48
49var regex08 = /(a*)*/;
50shouldBe('regex08.exec("b")', '["", undefined]');
51
52var regex09 = /(a*)b\1+/;
53shouldBe('regex09.exec("baaaac")', '["b", ""]');
54
55var regex10 = /(?=(a+))/;
56shouldBe('regex10.exec("baaabac")', '["", "aaa"]');
57
58var regex11 = /(?=(a+))a*b\1/;
59shouldBe('regex11.exec("baaabac")', '["aba", "a"]');
60
61var regex12 = /(.*?)a(?!(a+)b\2c)\2(.*)/;
62shouldBe('regex12.exec("baaabaac")', '["baaabaac", "ba", undefined, "abaac"]');
63