Re^2: Match all Non-0 and Letters

... this was just to explain the error in your code ... /0{7}\d/ is much simpler and better.

I understand that the intended purpose of the code example is very limited, but I think it's very important to point out that the
$D1 !~ /0+/
test ("if there is not at least one '0' in the first 7 digits") is also a fundamental error.

Give a man a fish: <%-{-{-{-<

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Re^3: Match all Non-0 and Letters by Laurent_R (Canon) on Jun 24, 2017 at 17:58 UTC
Yes, AnomalousMonk, you're right. I wanted to point out the logical error ("and" instead of "or" in the conditional), but you're absolutely right that the regexes should also be fixed. Perhaps something like: `print "Word $Disc is corrupt!\n" if $D1 !~ /^0{7}$/ or $D2 !~ /[0-9]/;` [download] And the first part of the conditional could actually be replaced by a string inequality operator rather than a regex: `print "Word $Disc is corrupt!\n" if ($D1 ne '0' x 7) or $D2 !~ /[0-9]/ +;` [download] Update: `s/instead or "or"/instead of "or"/;`. Thanks to Discipulus for pointing out the typo.	[reply] [d/l] [select]
Re^4: Match all Non-0 and Letters by AnomalousMonk (Archbishop) on Jun 24, 2017 at 18:44 UTC
... the first part of the conditional could actually be replaced by a string inequality ... That's what I was thinking, but my idea was `$D1 ne '0000000'` :) Give a man a fish: `<%-{-{-{-<`	[reply] [d/l] [select]