- [RWCE-FM-] nw0113                        8415232 Dec 31  2014 seil12.dat
- [RWCE-FM-] nw0113                       63229952 Jun 30 08:18 prenosdb.dat
- [RWCE-FM-] admin                           16384 Oct 02  2000 monitsml
- [RWCE-FM-] ap                               2101 Jun 16 20:43 za000616.txt

Regex Name = new Regex(@"w+.?w+n");

(?m)w+.?w+r?$

(?m)w+(?:.w+)?r?$