You need to quote your string with \Q\E because it contains | which in a regex means or. What you want is:

$line =~ s/\Q$delimiter\E/\,/g;

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Note that your original code acted as a "match anything" so it interspersed a comma between each character in the target string.

Perl is Huffman encoded by design.

In reply to Re: Using variable in substitute regex producing odd results by GrandFather
in thread Using variable in substitute regex producing odd results by punch_card_don

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