G'day ibm1620,

"Is there a way to make it work under v5.36 and beyond?"

A tedious fix in all of your scripts so that they work today: 

use v5.36;
use feature 'multidimensional';
use Regexp::Common;

[download]

Update: What follows turned out to be incorrect information. This is explained in "Re^2: Regexp::Common and "multidimensional hash lookup disabled"". I have stricken the remainder of the original post but retained it in the spoiler.

<Reveal this spoiler or all in this thread>

— Ken

In reply to Re: Regexp::Common and "multidimensional hash lookup disabled" by kcott
in thread Regexp::Common and "multidimensional hash lookup disabled" (v5.36+) by ibm1620

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