The username does not contain any special caracter (' , " . ;)
The name presenter does not contain any special caracter (' , " . ;)
The first name does not contain any special caracter (' , " . ;)
The middle name does not contain any special caracter (' , " . ;)
The last name does not contain any special caracter (' , " . ;)
Extension file (doc/docx), The filename does not contain any special caracter (' , " . ;)