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http://java.sun.com/javase/7/docs/api/java/util/regex/Pattern.html
http://www.php.net/manual/en/reference.pcre.pattern.modifiers.php
http://en.wikipedia.org/wiki/Lightweight_markup_language
http://www.30minut.cz/david-grudl-nette-je-nejefektivnejsi-php-framework/