Is there any shortest and easiest way.

In this specific domain, yes there is:

use Math::Roman;
print Math::Roman->new(uc $_)->as_number, "\n"
    for @roman;

[download]

That's maybe not quite what you had in mind, but I throw it in for completeness.

• another intruder with the mooring in the heart of the Perl

In reply to Re: Find Index value of a specific element in an array by grinder
in thread Find Index value of a specific element in an array by l.frankline

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