Use s/// to delete everything before the last name: 
use warnings;
use strict;

my $contact = "Firstname Lastname";
$contact =~ s/ .* \s (\S+) $ /Mr. $1/x;
print "$contact\n";

[download]

Or maybe Lingua::EN::NameParse

In reply to Re: Strip first name from string by toolic
in thread Strip first name from string by htmanning

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