in reply to Calling sub-routine in regex
as you said ...
> I think I've understood that the right-side of the s/// needs to be code only
... the RHS must be parsed as code.
Hence please try
"$+{group_x}$+{group_y}" . changer($+{text})
or
$+{group_x} . $+{group_y} . changer($+{text})
If that's not your issue, please try to shorten your description, (TL;DR ;-)
Cheers Rolf
(addicted to the Perl Programming Language :)
Wikisyntax for the Monastery
PS: people will tell you to use a HTML parser module. ( yep ;-)
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