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Darn. I knew it was too easy to reply with: 
my $regex = qr/(\d\s+foo)/;
$some_string =~ /$regex[^\r\n]*$regex/;

[download]

-QM
--
Quantum Mechanics: The dreams stuff is made of

In reply to Re^2: PCRE: Repeating Subpattens After Intervening Characters by QM
in thread PCRE: Repeating Subpattens After Intervening Characters by schnarff

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