Table 1. Basic Perl Operators

The table below summarize the common Perl operators used in arithmetic and string operations.

Table 1. Basic Perl Operators

Operator	Name	Description	Example	Result
+	addition	Sums values together.	20+30	50
-	subtraction	Subtracts right value from left value.	20-10	10
*	multiplication	Multiplies values together.	20*30	600
/	division	Divides left value by right value.	20/5	4
%	modulus	Remainder of dividing left value by right value.	20/3	2 20 divided by 3 yields 6 (6*3=18) with a remainder of 2 (20-18).
**	exponential	Raises the left value to the power of the right value.	20**2	400 Equivalent to 20*20
.	string concatenation	Chains together the characters in each value.	"hot"."dog" "hot "."dog"	"hotdog" "hot dog"
x	string replicate	Repeats the characters in left value the right value number of times.	"*"x5 "*"x5."Hello"."*"x5	***** *****Hello*****

Perl Variables: Scalars
The Perl You Need to Know
Perl Variables: Comparing Scalars