On Jul 20, 5:04 am, Fredrik Lundh <[EMAIL PROTECTED]> wrote: > Mr SZ wrote: > > I am taking a string as an input from the user and it should only > > contain the chars:L , M or R > > > I tried the folllowing in kodos but they are still not perfect: > > > [^A-K,^N-Q,^S-Z,^0-9] > > [L][M][R] > > [LRM]?L?[LRM]? etc but they do not exactly meet what I need. > > > For eg: LRLRLRLRLM is ok but LRLRLRNL is not as it has 'N' .like that. > > try "[LRM]+$" (an L or an R or an M, one or more times, all the way to > the end of the string).
Ummm ... with the default flag settings, shouldn't that be \Z instead of $ ? -- http://mail.python.org/mailman/listinfo/python-list