Thank you, 'quotemeta' is a very good solution. I have also tried already the use of \Q...\E.

You are right when you speak (for example) about 'c' letter in Visual Basic. Fortunately I have to compare always complex names that are never included in other name.
Thank you for your support!

In reply to Re^2: Regular Expression problem with $variable =~ m/C++/ by mtar
in thread Regular Expression problem with $variable =~ m/C++/ by Manlio

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