The single-quote character is part of a double-quoted string, the curly braces do have Perl code inside them, and the parens define an implicit subrule, which should be interpretable but apparently isn't. Thanks for taking a look anyway.
As far as the intermediate steps, I created many subrules, then tested them individually first, which does approximately the same thing IINM.
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Posts may use any of the Perl Monks Approved HTML tags. Currently these include the following:
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Snippets of code should be wrapped in
<code> tags not
<pre> tags. In fact, <pre>
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taken to ensure that their contents do not
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horizontal scrolling (and possible janitor
intervention).
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Want more info? How to link
or How to display code and escape characters
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