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Re^4: Regular expression help: why does this not match?

by Hofmator (Curate)
on Jan 19, 2007 at 08:01 UTC ( #595417=note: print w/replies, xml ) Need Help??

in reply to Re^3: Regular expression help: why does this not match?
in thread Regular expression help: why does this not match?

my $valid_re = qr/^(?:$valid)$/;
Without the grouping there will be strange things happening ;-). Apart from that, depending on the situation, you might want to replace $ at the end of the regex with \z depending on whether you want to allow newlines behind the valid items (your solution) or not (\z).

Update: To see the strange things happening, try

my @valid = qw/foo bar baz/; my @a_bunch_of_inputs = qw/fooZZZ ZZbarZZ ZZZbaz foobaz foo bar baz/;
and all of the inputs will produce okay.

-- Hofmator

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