| description( |
| 'Test for beginning of line (BOL or ^) matching</a>' |
| ); |
| |
| var s = "abc123def456xyzabc789abc999"; |
| shouldBeNull('s.match(/^notHere/)'); |
| shouldBe('s.match(/^abc/)', '["abc"]'); |
| shouldBe('s.match(/(^|X)abc/)', '["abc",""]'); |
| shouldBe('s.match(/^longer|123/)', '["123"]'); |
| shouldBe('s.match(/(^abc|c)123/)', '["abc123","abc"]'); |
| shouldBe('s.match(/(c|^abc)123/)', '["abc123","abc"]'); |
| shouldBe('s.match(/(^ab|abc)123/)', '["abc123","abc"]'); |
| shouldBe('s.match(/(bc|^abc)([0-9]*)a/)', '["bc789a","bc","789"]'); |
| shouldBeNull('/(?:(Y)X)|(X)/.exec("abc")'); |
| shouldBeNull('/(?:(?:^|Y)X)|(X)/.exec("abc")'); |
| shouldBeNull('/(?:(?:^|Y)X)|(X)/.exec("abcd")'); |
| shouldBe('/(?:(?:^|Y)X)|(X)/.exec("Xabcd")', '["X",undefined]'); |
| shouldBe('/(?:(?:^|Y)X)|(X)/.exec("aXbcd")', '["X","X"]'); |
| shouldBe('/(?:(?:^|Y)X)|(X)/.exec("abXcd")', '["X","X"]'); |
| shouldBe('/(?:(?:^|Y)X)|(X)/.exec("abcXd")', '["X","X"]'); |
| shouldBe('/(?:(?:^|Y)X)|(X)/.exec("abcdX")', '["X","X"]'); |
| shouldBe('/(?:(?:^|Y)X)|(X)/.exec("YXabcd")', '["YX",undefined]'); |
| shouldBe('/(?:(?:^|Y)X)|(X)/.exec("aYXbcd")', '["YX",undefined]'); |
| shouldBe('/(?:(?:^|Y)X)|(X)/.exec("abYXcd")', '["YX",undefined]'); |
| shouldBe('/(?:(?:^|Y)X)|(X)/.exec("abcYXd")', '["YX",undefined]'); |
| shouldBe('/(?:(?:^|Y)X)|(X)/.exec("abcdYX")', '["YX",undefined]'); |