Special Characters in Perl

• $: Scalar - $emailAddress = “kloa@insane.net”;

• @: Array - @Country = (“Taiwan”, “China”, “US”);

• %: Hash (associative array - strings as elements)

  • %C = (); $C{‘Taiwan’} = “tw”; $C{‘Japan’} = “jp”;

• &: Subroutine

• $_: default input and pattern-searching space

• $&: match variable

• $$, $0, $1, $2 and etc...

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