arabic => /\%D8\%([A-F0-9]{2})\%D9\%([A-F0-9]{2})/ichinese => /\%E5\%([A-F0-9]{2})\%([A-F0-9]{2})\%E6\%([A-F0-9]{2})\%([A-F0-9]{2})/iTCPDF ERROR: Some data has already been output to browser, can't send PDF file