Do you write code like that? 
my $foo = $bar =~ m!(acceptable_value|allowed_value)! 
        ? $1 
        : die 'Invalid value of tainted $bar: ' . $bar;

[download]
(though I'm not sure why you have $bar twice in the error message...)

In reply to Re^2: What's your favourite method of untainting? by Anonymous Monk
in thread What's your favourite method of untainting? by Corion

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