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Hi, I was learning the code on creating a search engine, that accompanies this book from here: http://www.peachpit.com/articles/article.aspx?p=1802754&seqNum=4 and encountered an issue in the se_index.php file. Everything worked fine until I tryed cyrillic characters, the preg_match_all('/\b\w+\b/', $content, $output) function didn't allow them to get through: After researching the net I fount the solution adding the u caracter for unicode like this: preg_match_all('/\b\w+\b/u', $content, $output); and it worked on the localhost with LAMPP. Rece