Recursive Regular Expressions

You're replying to a comment by Peteris Krumins.

December 15, 2009, 09:54

Jaskirat, I'd need some case studies from real world applications then! But yes, it's possible:

$rx = qr/(??{system("ls")})/;
$str = "foo";
$str =~ /$rx/;

Lists files in the current directory.

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