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23
24Test for beginning of line (BOL or ^) matching
25
26On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
27
28
29PASS s.match(/^notHere/) is null
30PASS s.match(/^abc/) is ["abc"]
31PASS s.match(/(^|X)abc/) is ["abc",""]
32PASS s.match(/^longer|123/) is ["123"]
33PASS s.match(/(^abc|c)123/) is ["abc123","abc"]
34PASS s.match(/(c|^abc)123/) is ["abc123","abc"]
35PASS s.match(/(^ab|abc)123/) is ["abc123","abc"]
36PASS s.match(/(bc|^abc)([0-9]*)a/) is ["bc789a","bc","789"]
37PASS /(?:(Y)X)|(X)/.exec("abc") is null
38PASS /(?:(?:^|Y)X)|(X)/.exec("abc") is null
39PASS /(?:(?:^|Y)X)|(X)/.exec("abcd") is null
40PASS /(?:(?:^|Y)X)|(X)/.exec("Xabcd") is ["X",undefined]
41PASS /(?:(?:^|Y)X)|(X)/.exec("aXbcd") is ["X","X"]
42PASS /(?:(?:^|Y)X)|(X)/.exec("abXcd") is ["X","X"]
43PASS /(?:(?:^|Y)X)|(X)/.exec("abcXd") is ["X","X"]
44PASS /(?:(?:^|Y)X)|(X)/.exec("abcdX") is ["X","X"]
45PASS /(?:(?:^|Y)X)|(X)/.exec("YXabcd") is ["YX",undefined]
46PASS /(?:(?:^|Y)X)|(X)/.exec("aYXbcd") is ["YX",undefined]
47PASS /(?:(?:^|Y)X)|(X)/.exec("abYXcd") is ["YX",undefined]
48PASS /(?:(?:^|Y)X)|(X)/.exec("abcYXd") is ["YX",undefined]
49PASS /(?:(?:^|Y)X)|(X)/.exec("abcdYX") is ["YX",undefined]
50PASS successfullyParsed is true
51
52TEST COMPLETE
53
54