C:\Daten\perl>perl
use strict;
use warnings;
my $test1 = "Max Muster \<max-muster@muster_test-2.de\>foo-bar-sonstwas-oderauchnix\>";
Possible unintended interpolation of @muster_test in string at - line 3.
print $test1;
^Z
Global symbol "@muster_test" requires explicit package name at - line 3.
Execution of - aborted due to compilation errors.