Email - Error when string does not contain a valid email address.
Slug - Error when string is not a valid slug.
SlugUnique - Error when string has already been used as a slug.
MaxLength - Error when string is longer than specified in maxLength.
FileType - Error when an uploaded file does not have a filetype as listed in file.types.*.
FileSize - Error when an uploaded file is bigger than the MB specified in file.maxSize.
Float - Error when a value isn't a float.
Integer - Error when a value isn't an integer.
Unique - Error when a value is already available in table.
Documentation
TYPO3 Modules by coding.ms
TYPO3 toolbox for Frontend-User-Registration, Profile, Invitations, Listing with detailview, Addressmanagement, and Frontend-Recordmanagement. User friendly Backendmodule for managing Frontend- and Backend-Users and other Records. Toolbox for frontend and backend modules in TYPO3 for registration, profile editing, address management, and user listings with detail view, plus extensive intranet and application areas.
