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Q:\>perl -le "($x = 'foo') =~ /.(.)/g; print $1; $x = 'bar'; print $1" o a
$ perl -MData::Dumper -we'$Data::Dumper::Useqq = 1; ($x = "fou") =~ /.(..)/g; print Dumper $1; $x = "b"; print Dumper $1; ... $VAR1 = "ou"; $VAR1 = "a\0";