Radgroupcheck and regexp

[Alan DeKok]

ecard wrote:
>>> Now I check this in 2.0.1.
>>> This work right in 2.0.1, but not in 2.1.3.
>>>
>>>
> Last version where this work is 2.0.5.

  It's likely the same bug that affected the "users" file.  This will be
fixed in 2.1.4.

  Alan DeKok.