From the description of re::engine::TRE

Replaces Perl's regex engine in a given *lexical scope*

So put the use within curly blocks.

Cheers Rolf
(addicted to the Perl Programming Language and ☆☆☆☆ :)
Je suis Charlie!

In reply to Re: restrict use of regex module in script by LanX
in thread restrict use of regex module in script by pmpmmpmp

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