I'm not sure what you're trying to accomplish with the regex, but you want to use the ternary operator: 

$in = ref( $scalar ) eq "ARRAY" ? join( ",", @$scalar ) : $scalar;

[download]

-derby

Update: Hot dog ... learn something new everyday. I never knew you could use a regex in place of ref.

In reply to Re: Joining if an array by derby
in thread Joining if an array by Rodster001

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