That! Solved the problem.

It also created a problem. I had remarked out the assignment later on in the code. After adding it back in. It has made some of the fields undefined again. I think I need an OR in the extract regex now.

# this initializes the field correctly
$row->[15] = '';

# This overwrites the empty field with undefined if it doesn't match.
($row->[15]) = $row->[5] =~ /(#[^ ]+)/;

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In reply to Re^2: Initialize or Match undef without warning by JobC
in thread Initialize or Match undef without warning by JobC

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