Perl | length() Function

Last Updated : 11 Jul, 2025
length() function in Perl finds length (number of characters) of a given string, or $_ if not specified.
Syntax:length(VAR) Parameter: VAR: String or a group of strings whose length is to be calculated Return: Returns the size of the string.
Example 1: Perl 
#!/usr/bin/perl

# String whose length is to be calculated
$orignal_string = "Geeks for Geeks";

# Function to calculate length
$string_len = length($orignal_string);

# Printing the Length
print "Length of String is: $string_len";
Output: 
Length of String is: 15
  Example 2: perl 
#!/usr/bin/perl

# String whose length is to be calculated
$orignal_string = "123456 is Geeks Code";

# Function to calculate length
$string_len = length($orignal_string);

# Printing the Length
print "Length of String is: $string_len";
Output: 
Length of String is: 20
Note : Scalar context on an array or hash is used if the corresponding size is to be determined.
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