A Brief Perl Tutorial
JavaScript and Perl have some common features in terms of general structure, but Perl is unique and very powerful. One of the more powerful structures within Perl is a pattern-matching feature called regular expressions. JavaScript, too, has regular expressions; by comparing the two, you can learn about both. However, before getting to regular expressions, a quick overview of Perl is in order.
Unique Variable Characters of Perl
Perl distinguishes between different types of variables using a set of symbols with their own names. They include the following:
$ Scalar: a single number or string
@ Array: a multiple-item variable
% Hash: a paired array
A scalar is similar to a plain-vanilla variable in JavaScript.
Scalar Variables ...
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