That awkward moment when you realize isn't doing something right, you check online realizing that it is a bug and there is a new update adderssing that specific issue as the first most important change!
notepad++ did not recognize \r\n in regular expression mode and that was annoying!
notepad++ from version npp.5.8.5 to version npp.6.2.3 fixes the bug:
Notepad++ v6.2.3 new features and fixed bugs: