How to Trim a String in Perl - Step by Step Examples

How to Trim a String in Perl ?

To trim a string in Perl, you can use the trim() function from the String::Util module.

In this example,

We use the trim() function from the String::Util module to remove leading and trailing whitespace characters from the string " Hello World ".
Finally, we print the trimmed string.

use String::Util qw(trim);

my $str1 = "   Hello World   ";
my $trimmed_str1 = trim($str1);
print "Trimmed string is: '$trimmed_str1'\n";

Trimmed string is: 'Hello World'

In this example,

We use the trim() function from the String::Util module with the left option to remove leading whitespace characters from the string " apple".
Finally, we print the trimmed string.

use String::Util qw(trim);

my $str2 = "   apple";
my $trimmed_str2 = trim($str2, 'left');
print "Trimmed string is: '$trimmed_str2'\n";

Trimmed string is: 'apple'

In this example,

We use the trim() function from the String::Util module with the right option to remove trailing whitespace characters from the string "banana ".
Finally, we print the trimmed string.

use String::Util qw(trim);

my $str3 = "banana   ";
my $trimmed_str3 = trim($str3, 'right');
print "Trimmed string is: '$trimmed_str3'\n";

Trimmed string is: 'banana'

In this tutorial, we learned How to Trim a String in Perl language with well detailed examples.