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  1. 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. Recently I tried to index a website on a shared hosting that runs PHP-5.2.17, and the same method that worked on the localhost, didn't with cyrillic there. I also tryed preg_match_all('/\b\[a-zA-Z\p{Cyrillic}0-9]+\b/u', $content, $output); and other combinations of regular expressions with the \p{Cyrillic} but nothing worked so far. If anybody has knowlege how to solve this issue, please give me a note, thanks.
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