You're missing the backslash before the "d" in your regex: 
    \d{4}

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This regex does what you want, I think: 
    $date_cfg =~ s!^(\d{4})/(\d{2})(\d{2})$!$2/$3/$1!;

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There may be a better way, but this works for me.

In reply to Re: positional variable question by btrott
in thread positional variable question by Limo

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