Extract HTML content using regular expression (regex) involving multiple line of data cannot be done without additional PRCE pattern modifier sU. The dot-asterisk (.*) alone will not allow PHP regex function to perform accordingly as the dot repesents all characters except newline. Bummer.

The correct way will be as follow:
[crayon lang=”php”]preg_match(‘/(.*)/sU’, $content, $match);[/crayon]

Solution credit to dreamluverz via Mr. G.