in reply to Test for newline

Use ^ and $

It'll match only \n contains 

$discovered[$i] =~ "^\n$";

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Re^2: Test for newline
by betterworld (Curate) on Feb 19, 2005 at 13:57 UTC
    This is not exactly the right thing, as /^\n$/ matches both "\n" and "\n\n". Use \z rather than $, or, better, use eq.
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