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Re: regex

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From:
drieux
Date:
April 28, 2002 08:16
Subject:
Re: regex
Message ID:
C82BB818-5ABA-11D6-A835-0030654D3CAE@wetware.com

On Sunday, April 28, 2002, at 07:13 , Mat Harrison wrote:

> what sort of regex's should i be looking at to validate a username and
> password field so that input can only be up to and including 15 chars long
> and does not contain any special characters?

you want to limit usernames and passwd's to

	[a-zA-Z0-9]

without any of the non-alphanumeric tokens....

{ not a good passwd strategy if I may kvetch }

my $MAXWORD = 15;
my $pattern = qr/^\w{1,$MAXWORD}$/;

cf perldoc perlre
	


ciao
drieux

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