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uc function - converts lowercase letters to uppercase

You can use the uc function to convert from lowercase to uppercase. The uc function converts each character of the argument to uppercase. If the character cannot be converted, the character given as an argument is returned as it is.

my $str = uc "aaa";

uc function programming example

This is an example programming of lowercase to uppercase conversion using the uc function.

use strict;
use warnings;

# Conversion from lowercase "aaa" to uppercase "AAA"
my $str = uc "aaa";

print "$str\n";

Output result

AAA

Related information of uc function

Related information for the uc function.

• lc function-convert uppercase to lowercase
• lcfirst function - Converts the beginning of a string from uppercase to lowercase
• ucfirst function-converts the beginning of a string from lowercase to uppercase