package controller import ( "errors" "regexp" ) var ( errInvalidExtClientPubKey = errors.New("incorrect ext client public key") errInvalidExtClientID = errors.New("ext client ID must be alphanumderic and/or dashes") ) // allow only dashes and alphaneumeric for ext client and node names func validName(name string) bool { return regexp.MustCompile("^[a-zA-Z0-9-]+$").MatchString(name) }