String functions (length, lc, uc, index)

• length

• lc

• uc

• ucfirst

• lcfirst

• length STRING - number of characters

• lc STRING - lower case

• uc STRING - upper case

• lcfirst STRING - lower case

• ucfirst STRING - upper case

use 5.010;
use strict;
use warnings;

my $name = 'Foo Bar';
say length $name;                 # 7
say length "Hello World!\n";      # 13
say length 19;                    # 2