Re^2: How to make sure no elements from @array are inside $scalar

by tadegenban (Novice)

on Nov 15, 2014 at 08:55 UTC ( [id://1107290]=note: print w/replies, xml )

Need Help??

Can I use

$text=~/_9(...)/ and none {$1 eq $_} @$sites

instead of

$text=~/_9(...)/,none {$1 eq $_} @$sites

here ?

What's the difference between 'and' and 'comma' here

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Re^3: How to make sure no elements from @array are inside $scalar by Loops (Curate) on Nov 15, 2014 at 11:48 UTC
Yes, you can use "and" to much the same effect in this case. In fact it would stop a warning if the match failed and $1 was left undefined. And that's because the comma operator does not short circuit as "and" does; both expressions will be evaluated whether the first is true or false. But it can be useful.	[reply]

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