On Thu, 13 Dec 2001 18:10:26 -0500, [EMAIL PROTECTED] (Ryan Fischer)
wrote:
This should do it I think:
/[a-zA-Z]/==3/[0-9]/==2/^.{5,}$/;
Pattern match in scalar context returns true or false, so the maximum
number is 1. You'll never get 3 out of a pattern match in scalar context
(and ==
On Thu, 13 Dec 2001 19:25:02 -0500 (EST), [EMAIL PROTECTED] (Jeff 'Japhy'
Pinyan) wrote:
I'd probably include capitalized operators in the obscure group
Which capitalised operators? NE, LT, and friends?
I think they went away in bleadperl... didn't they?
Cheers,
Philip
On Thu, 13 Dec 2001 10:50:11 -0500, [EMAIL PROTECTED]
(Ronald J Kimball) wrote:
(y/a-zA-Z// 2) (y/0-9// 1)
Each numeric comparison will return either 1 or 0.
In my experience, 1 or , rather than 1 or 0. Or is FALSE (PL_NO?) a
special value which looks like 0 to operators that care, such
On Thu, 20 Dec 2001 19:00:30 +0100, Philip Newton wrote:
On Thu, 13 Dec 2001 10:50:11 -0500, [EMAIL PROTECTED]
(Ronald J Kimball) wrote:
(y/a-zA-Z// 2) (y/0-9// 1)
Each numeric comparison will return either 1 or 0.
In my experience, 1 or , rather than 1 or 0. Or is FALSE (PL_NO?) a
On Thu, Dec 13, 2001 at 03:24:14PM +0100, Sven Neuhaus wrote:
On Thu, Dec 13, 2001 at 03:01:43PM +, Mohit Agarwal wrote:
On Thu, Dec 13, 2001 at 02:49:05PM +0100, Sven Neuhaus wrote:
y/A-Za-z/A-Za-z/2y/0-9/0-9/1
or the shorter
$a=$_;y/A-Za-z//2y/0-9//1
that will
Jeremy Zawodny [EMAIL PROTECTED] writes:
On Thu, Dec 13, 2001 at 07:00:19PM -0500, Jeff 'japhy' Pinyan wrote:
On Dec 13, Ryan Fischer said:
And it's not an obscure use NOR an abuse of the function. The fact that
tr/a-z// replaces the empty replacement list with a-z is SPECIFICALLY
On Thu, 13 Dec 2001 14:36:38 +0100
Bart Lateur [EMAIL PROTECTED] wrote:
On Thu, 13 Dec 2001 14:29:14 +0100, Kim Schulz wrote:
How short kan you make a program (oneliner?) that:
* checks if a password is 5 characters long or more
* checks if the password contains at least 3 alpha chars
On Thu, Dec 13, 2001 at 02:36:38PM +0100, Bart Lateur wrote:
On Thu, 13 Dec 2001 14:29:14 +0100, Kim Schulz wrote:
How short kan you make a program (oneliner?) that:
* checks if a password is 5 characters long or more
* checks if the password contains at least 3 alpha chars (a-zA-Z)
* checks
On Thu, Dec 13, 2001 at 02:29:14PM +0100, Kim Schulz wrote:
How short kan you make a program (oneliner?) that:
* checks if a password is 5 characters long or more
* checks if the password contains at least 3 alpha chars (a-zA-Z)
* checks if the password contains at least 2 numbers (0-9)
On Thu, 13 Dec 2001 14:43:18 +0100
[snip]
Short enough?
Not exactly..
how about a password lige ab12345 ? it's more than 5 characters long,
but only 2 of then are letters. This password shouldn't be accepted.
DOOH! my mistake. I didnt think this one over enough. ofcause will this
On Thu, Dec 13, 2001 at 02:49:05PM +0100, Sven Neuhaus wrote:
/^(?=.*\d.*\d)(?=.*[a-z].*[a-z].*[a-z])/i
y/A-Za-z/A-Za-z/2y/0-9/0-9/1
or the shorter
$a=$_;y/A-Za-z//2y/0-9//1
that will mungle the password in $_ but keep a good copy in $a.
Why will it mungle the
En réponse à Ariel Scolnicov [EMAIL PROTECTED]:
Robin Houston [EMAIL PROTECTED] writes:
It's interesting to try do it as a single regex. The shortest
I've found is:
/(?=[a-z].*[a-z].*[a-z]).*\d.*\d/
/(?=(.*[a-z])){3}(.*\d){2}/i
(you also need the i I guess).
But yours
On Thu, Dec 13, 2001 at 03:01:43PM +, Mohit Agarwal wrote:
On Thu, Dec 13, 2001 at 02:49:05PM +0100, Sven Neuhaus wrote:
y/A-Za-z/A-Za-z/2y/0-9/0-9/1
or the shorter
$a=$_;y/A-Za-z//2y/0-9//1
that will mungle the password in $_ but keep a good copy in $a.
Why will
On 13 December 2001 13:29, Kim Schulz [mailto:[EMAIL PROTECTED]] wrote
How short kan you make a program (oneliner?) that:
* checks if a password is 5 characters long or more
As noted, this is covered below...
* checks if the password contains at least 3 alpha chars (a-zA-Z)
* checks if
On Thu, Dec 13, 2001 at 03:24:14PM +0100, Sven Neuhaus wrote:
It won't - I was confusing it with the behavior of some tr programs.
So it's
y/A-Za-z//2y/0-9//1
Too bad you can't write
y/A-Za-z// y/0-9// 1
As some say, a space is still a byte. Looks like this one can't be made
any
On Thu, Dec 13, 2001 at 03:24:14PM +0100, Sven Neuhaus wrote:
On Thu, Dec 13, 2001 at 03:01:43PM +, Mohit Agarwal wrote:
On Thu, Dec 13, 2001 at 02:49:05PM +0100, Sven Neuhaus wrote:
y/A-Za-z/A-Za-z/2y/0-9/0-9/1
or the shorter
$a=$_;y/A-Za-z//2y/0-9//1
that will
On Thu, Dec 13, 2001 at 08:36:03AM -0600, [EMAIL PROTECTED] wrote:
If you are prepared to change $_:
if (y/a-zA-Z//2y/0-9//1) {# 24 chars for the test
print not valid;
}
That does not change $_.
If you can't change $_, you need the c opt on the y's, hence:
if
To: '[EMAIL PROTECTED]'
Subject: RE: test a password string for correctness
Here's my attempt, at 39:
#!/usr/bin/perl
$_=pop;print if(/[a-z]{3,}/i/\d{2,}/)
I skipped the first constraint, because if rules 2 and 3 are
true, 1 will always be true... right?
--
Patrick
-Original
On Thu, 13 Dec 2001 10:12:05 -0500
Patrick Gaskill [EMAIL PROTECTED] wrote:
Oh, maybe I should've finished sifting through the rest of the posts
first... and I guess she never said that the characters would be in a
row...*sigh*
hehe it's HE not she! In Denmark Kim is a Boys name.
:o)
From: Sven Neuhaus [mailto:[EMAIL PROTECTED]]
Sent: Thursday, December 13, 2001 9:24 AM
To: [EMAIL PROTECTED]
Subject: Re: test a password string for correctness
Too bad you can't write
y/A-Za-z// y/0-9// 1
Rejoice and be happy for in Perl 6 you should be able to do just
On 13 Dec 2001, at 10:25, Ala Qumsieh wrote:
From: Sven Neuhaus [mailto:[EMAIL PROTECTED]]
Too bad you can't write
y/A-Za-z// y/0-9// 1
Rejoice and be happy for in Perl 6 you should be able to do just that!
But, this solution is still wrong because it will not allow the
Ariel Scolnicov wrote in fwp:
Ronald J Kimball [EMAIL PROTECTED] writes:
If you are prepared to change $_:
if (y/a-zA-Z//2y/0-9//1) {# 24 chars for the test
print not valid;
}
That does not change $_.
But, just to keep things interesting, you can't do
You've ruined the magic! (Next time you'll get less feedback to your
problem(s). ;-)
- Original Message -
From: Kim Schulz [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Thursday, December 13, 2001 5:24 PM
Subject: Re: test a password string for correctness
hehe it's HE not she
On Dec 13, Mohit Agarwal said:
On Thu, Dec 13, 2001 at 03:24:14PM +0100, Sven Neuhaus wrote:
It won't - I was confusing it with the behavior of some tr programs.
So it's
y/A-Za-z//2y/0-9//1
As some say, a space is still a byte. Looks like this one can't be made
any shorter. Japhy, Eugene,
On Dec 13, Jeff 'japhy' Pinyan said:
is probably where I'd get to. I think RJK's attempt to cheat the system
fails:
y/a-zA-Z//y/0-9//1
My bad. He had
y/a-zA-Z//2y/0-9//1
which is perfectly valid.
--
Jeff japhy Pinyan [EMAIL PROTECTED] http://www.pobox.com/~japhy/
RPI Acacia
On Thu, Dec 13, 2001 at 10:41:57AM -0500, Jeff 'japhy' Pinyan wrote:
I probably would have thought about y/// after a while, but I can't pass
up a good regex. ;)
y/a-zA-Z//2y/0-9//1
is probably where I'd get to. I think RJK's attempt to cheat the system
fails:
y/a-zA-Z//y/0-9//1
On 13 December 2001 14:40 Ronald J Kimball
[mailto:[EMAIL PROTECTED]] wrote:
if (y/a-zA-Z//2y/0-9//1) { # 24 chars for the test
print not valid;
}
That does not change $_.
Which explains my lack of understanding of a few previous golds...
Richard Cox
Senior Software
RF == Ryan Fischer [EMAIL PROTECTED] writes:
y/a-zA-Z//2y/0-9//1
RF That's not gonna do it. You'll kill $_. :(
you don't know y/// too well if you think that. it is a well known perl
golf trick.
uri
--
Uri Guttman -- [EMAIL PROTECTED] http://www.stemsystems.com
--
RF == Ryan Fischer [EMAIL PROTECTED] writes:
y/a-zA-Z//2y/0-9//1
RF That's not gonna do it. You'll kill $_. :(
you don't know y/// too well if you think that. it is a well known
perl
golf trick.
uri
Bleh. You learn something new every day. But, if anything, I'd say
that's a
RF == Ryan Fischer [EMAIL PROTECTED] writes:
RF Bleh. You learn something new every day. But, if anything, I'd say
RF that's a glaring bug and not a feature. translations are supposed to
RF replace one character with another. If no character is specified, the
RF most intuitive thing
On Dec 13, Ryan Fischer said:
Bleh. You learn something new every day. But, if anything, I'd say
that's a glaring bug and not a feature. translations are supposed to
replace one character with another. If no character is specified, the
most intuitive thing to happen is an omission. What
rtfm.
Hehe... I read it years ago. But how kind of you to flame me. You must
feel so good about yourself. ;)
i wouldn't call them counter intuitive as they are clearly documented
and make it more flexible than your single use approach would.
To each his own. Not everyone has the time to
On Dec 13, Ryan Fischer said:
i wouldn't call them counter intuitive as they are clearly documented
and make it more flexible than your single use approach would.
To each his own. Not everyone has the time to dink around and pat each
other on the back at obscure usages and abuses of
On Thu, Dec 13, 2001 at 07:00:19PM -0500, Jeff 'japhy' Pinyan wrote:
On Dec 13, Ryan Fischer said:
And it's not an obscure use NOR an abuse of the function. The fact that
tr/a-z// replaces the empty replacement list with a-z is SPECIFICALLY
documented, and the use of this for counting
On Dec 13, Jeremy Zawodny said:
Think back to when you were first learning Perl. Or regular
expressions. They're documented but you still find yourself thinking
damn, this is obscure... Are you wrong?
New experiences often seem obscure. I don't think a person LEARNING the
language can
On Dec 13, Jeff 'japhy' Pinyan said:
On Dec 13, Jeremy Zawodny said:
Think back to when you were first learning Perl. Or regular
expressions. They're documented but you still find yourself thinking
damn, this is obscure... Are you wrong?
New experiences often seem obscure. I don't think a
On Thu, Dec 13, 2001 at 07:11:09PM -0500, Ryan Fischer wrote:
I guess it simply wasn't good that the guy asked a question on an FWP
list where TMTOWTDI and so many people think the short ways are better.
If he was simply looking for an answer, any other list would have worked
fine.
I guess
... The problem is when people value that over getting the job
done, and try to make people feel inferior with their knowledge.
Greetings :)
I disagree. Growth in the direction of effectiveness in Perl
dictates learning to read code - especially when Perl has the bad
tag of a Write
You wrote:
On Thu, Dec 13, 2001 at 07:11:09PM -0500, Ryan Fischer wrote:
I guess it simply wasn't good that the guy asked a question on an
FWP
list where TMTOWTDI and so many people think the short ways are
better.
If he was simply looking for an answer, any other list would have
worked
On Dec 13, Uri Guttman said:
if i ever saw someone getting a string length in real code with tr/// i
would kick them hard. on the other hand counting the number of newlines
in a string is a valid use of that effect. in fact there is no other
simple and fast way to count newlines in a string but
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