Perl | Scalars

A scalar is a variable that stores a single unit of data at a time. The data that will be stored by the scalar variable can be of the different type like string, character, floating point, a large group of strings or it can be a webpage and so on.
Example : 
 

Output : 
 

Name = Alex
Roll number = 13
Percentage = 87.65

 

Numeric Scalars

Numeric scalar variables hold values like whole numbers, integers(positive and negative), float(containing decimal point). The following example demonstrates different types of numerical scalar variables in perl.
Example : 
 

Output : 
 

Positive Integer = 25
Negative Integer = -73
Floating Point = 23.5
Hexadecimal Form = 205

 

String Scalars

String scalar variables hold values like a word(made of different characters), a group of words or a paragraph. The following example demonstrates different types of string scalar variables.
Example :
 

Output : 
 

String with alphabets = GeeksforGeeks
String with numeric values = 17
String with alphanumeric values = gfg21
String within Single quotes = Hello Geeks
String with special characters = ^gfg