On Wed, 26 Apr 2006, Nicolas François wrote:

The [a-z_][a-z0-9_-]*[$] regular expression is what is usually permitted.

From what I can see it should therefore be [$]? at the end: the $ is not
mandatory as it is above.

       It is usually recommended to only use usernames that begin with
       a lower case letter or an underscore, and are only followed by
       lower case letters, underscores, dashes, and dollar signs. In
       regular expression terms: '[a-z_][a-z0-9_-]*[$]'.
       On Debian, the constraints on the username are loosened: Usernames
       must neither start by a dash ('-') nor contain a colon (':') or an
       end of line ('\n').

Does it look better to you?

That's better. You still need to mention the digits.

--
http://rrt.sc3d.org/ | RSA, n.  safety in numbers

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