2.4.4 String Operators
The final set of operators that we will consider are those that operate
specifically on strings. Remember, though, that we can use numbers with
them, as Perl will do the conversions to strings when needed.
The string operators that you will see and use the most are
. operator is string concatenation, and the
operator is string duplication.
my $greet = "Hi! ";
my $longGreet = $greet x 3; # $longGreet is "Hi! Hi! Hi! "
my $hi = $longGreet . "Paul."; # $hi is "Hi! Hi! Hi! Paul."