What do the strict and warnings commands do? And what is the purpose of my before the objects? What does it do? Also, what is the purpose of my $string = shift;? I don't understand the if (s/\Q$string\E/($string)/g) { conditional either. Thank you for all of your help

In reply to Re^6: The $_ Special Variable by chuloon
in thread The $_ Special Variable by chuloon

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