1a input.foobar /^ a$/;" D line:2 language:FOOBAR 2a input.foobar /^ a$/;" d line:2 language:FOOBAR 3b input.foobar /^ b$/;" D line:4 language:FOOBAR 4b input.foobar /^ b$/;" d line:4 language:FOOBAR 5c input.foobar /^ c$/;" D line:6 language:FOOBAR 6c input.foobar /^ c$/;" d line:6 language:FOOBAR 7d input.foobar /^ d$/;" D line:8 language:FOOBAR 8