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Date: Thu, 3 Jan 2013 22:27:50 +1100
Subject: Re: pylint, was Re: pygame - importing GL - very bad...
From: Chris Angelico <rosuav@gmail.com>
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Xref: csiph.com comp.lang.python:36052

On Thu, Jan 3, 2013 at 10:19 PM, someone <newsboost@gmail.com> wrote:
> Doesn't this "[ ... ]" mean something optional?
>
> What does {2,30}$ mean?
>
> I think $ means that the {2,30} is something in the end of the sentence...

You can find regular expression primers all over the internet, but to
answer these specific questions: [...] means any of the characters in
the range; the $ means "end of string"; and {2,30} means at least two,
and at most thirty, of the preceding character. So you have to have
one from the first group, then 2-30 from the second, for a total of
3-31 characters in your names.

ChrisA