form validation :ereg ()

Hi again! I still did not fix my prob : I want to check, in a form, that the name input may include an alphabetical letter a- z, A-Z, or a space, or -, or à, or ä or ü etc how can i do that ? i used ereg("([a-z,A-Z][ë,à]?)",$name) then (!ereg("([a-z,A-Z,é,ê,è,ë,-,\t,à,ä,ï,ü,ö,û,â,ç])", $name)) i get the following warnin :REG_ERANGE:,invalid character range by the way how to add space " " and "-" ? Please help! Thanks _________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com.