trying to match a string

[John Machin]

On Jul 19, 12:04 pm, Andrew Freeman <alif... at gmail.com> wrote:
> To show if valid:
>
> if re.search(r'^[LRM]*$', 'LM'):
>     print 'Valid'
>

A couple of points:
(1) Instead of search(r'^blahblah', ...) use match(r'blahblah', ...)
(2) You need to choose your end-anchor correctly; your pattern is
permitting a newline at the end:

>>> re.search(r'^[LRM]*$', 'LM\n')
<_sre.SRE_Match object at 0x00B9E528>
>>>