[support] getting the underscore to be unusable in user names

[Neil: esl-lounge.com]

Ah! I'd been reading your previous answer trying to work out its mystic 
meaning. :-)

So I can't use Access Control to prevent underscores? Looks like I'll have 
to look more closely at the other earlier responses to my question.

----- Original Message ----- 
From: "Cog Rusty" <cog.rusty at gmail.com>
To: <support at drupal.org>
Sent: Wednesday, August 01, 2007 6:09 PM
Subject: Re: [support] getting the underscore to be unusable in user names


> On 8/1/07, Cog Rusty <cog.rusty at gmail.com> wrote:
>> On 8/1/07, Neil: esl-lounge.com <neil at esl-lounge.com> wrote:
>> > I found a post on drupal.org that said you could do all of this via 
>> > Access
>> > Rules.
>> >
>> > http://drupal.org/node/29694
>> >
>> > So I went there and entered the following three rules to outlaw 
>> > underscores
>> >
>> > _% - deny/username
>> > %_ - deny/username
>> > %_% - deny/username
>> >
>> > .....and found myself and every other username blocked from the site, 
>> > unable
>> > to log in without getting a "this username has been reserved" error 
>> > message.
>> > Totally frozen out of the site, I had to go into phpmyadmin and get rid 
>> > of
>> > those three entries from the "access" table. Have I ignored something
>> > glaringly obvious with those deny rules?
>>
>>
>> You probably know by now. Those rules for forbidding access can do
>> what you want but that is just a bonus. Their main function is to
>> forbid access to anyone with such a username. Good idea for a new site
>> though.
>
> Oops! I just noticed you said "every" user. Underscore is a wildcard
> for any single character.
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