On 01/05/16 13:23, Alice Wonder wrote:
On 05/01/2016 05:10 AM, Alice Wonder wrote:
I think this is my autism coming in to play, I think what is very clear
to me I just am not able to adequately communicate because clearly
people are not even remotely grasping what I am trying to convey.
Basically whether it is a white list or a black list doesn't matter.
One is just the complement set of the other.
It's the set I'm after. Or its complement. I don't care. Not whether my
code should use set A or its complement.
See Gordon's previous answer above:
That is, [A-Za-z0-9._][A-Za-z0-9._-]
In other words, allowable characters are A-Za-z (upper and lower case),
0-9 (numerics), . and _ (period and underscore).
Hyphens are allowed, but NOT as the first character, so maybe easier to
just not allow hyphens in your account usernames.
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