How do you use substitution s/// with a short example?

The Perl substitution operator `s///` is used for searching and replacing text in a string.

Here is a simple example:

# Example Perl substitution my $string = "Hello World!"; $string =~ s/World/Perl/; # Replaces 'World' with 'Perl' print $string; # Outputs: Hello Perl!

perl substitution regex programming

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