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#!/usr/bin/perl -l

my $para = "xyz-xyz-xyz-xyz-v09.11-e020xyz-xyz-xyz-";
...
my ($part1, $part2) = $para =~ m/(v\d{2}\.\d{2})-([a-z]\d{3})/;

print "$part1, $part2";   # v09.11, e020

#!/usr/bin/perl -l

my $para = "xyz-xyz-xyz-xyz-v09.11-e020xyz-xyz-xyz-";
...
    my ($part1, $part2) = ($1, $2); # the variables $1 and $2 are crea
+ted automatically after a successful match
    print "$part1, $part2";   # v09.11, e020
}

#!/usr/bin/perl -l

my $para = "xyz-xyz-xyz-xyz-v09.11-e020xyz-xyz-xyz-";
...
if ($para =~ m/(?<part1>v\d{2}\.\d{2})-(?<part2>[a-z]\d{3})/) {
    print "$+{part1}, $+{part2}";   # v09.11, e020
}