I’m trying to develop a generic data validation engine for web forms. Basically, the idea is to write a library that loads a JSON “validation schema”, and then generates the appropriate server-side and client-side validation rules for various data validation libraries.
It seems like everyone has their own set of validation rule names. For example, suppose you need to check that a string has a minimum number of characters. In the server-side library Valitron, the rule is called lengthMin. In the client-side library bootstrapvalidator, it’s called stringLength.
My question is, is there any kind of standard out there (ANSI, ISO, etc) for the rule names and parameter names of common data validation rules?
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There are no standards for naming conventions by any major working group. The closest you might get would be standards within an organisation or for a particular product so you are effectively free to choose the names that you feel are best.
Maybe pick the best of some already great implementations (e.g. ActiveRecord Validations / Flask WTF etc.). You can’t go wrong borrowing from them.