Mark Sapiro wrote:
Howard Moscovitz wrote:
In the topic definition form, how can one specify a topic that is only
messages that DOES NOT have the string [G2] in it.
see http://docs.python.org/lib/re-syntax.html
I would try
^(?!.*\[G2\])
or if case is not significant
^(?!.*\[[Gg]2\])
but this is only a suggested starting point. It seems to me that it
should work, but I don't know.
Is there a way to test regeps without setting up a separte test list?
You could do a few interactive tests with Python or make a script.
For example:
[EMAIL PROTECTED] ~]$ python2.3
Python 2.3.3 (#1, Mar 4 2004, 22:12:33)
[GCC 2.96 20000731 (Red Hat Linux 7.3 2.96-113)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
import re
m = re.match('^(?!.*\[G2\])', 'now is the time for [G3] to do something')
m.group(0)
''
m = re.match('^(?!.*\[G2\])', 'now is the time for [G2] to do something')
m.group(0)
Traceback (most recent call last):
File "<stdin>", line 1, in ?
AttributeError: 'NoneType' object has no attribute 'group'
[EMAIL PROTECTED] ~]$
In the first case, the re matches the null character at the beginning
of the line which is followed by not (anything followed by [G2]) so
the match succeeds and the matched string is null.
In the second case, the null character at the start of the string is
followed by (anything followed by [G2]) so the match fails and m.group
is undefined.
Well, I was able to duplicate this result using Python on my computeras
you suggested, thank you. I put that regep in the topic filter and
people who have selected that topic are still getting messages with [G2]
in the subject. Do you have to put the regep in quotes, single or
double, on the admin form?
--Howard
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