Advanced queries in REST

Question

I am trying to create a more advanced request mechanism for REST. Suppose I have the following:

GET  /data/users

and it returns a list of users. Then, to filter the returned users, for example, I would say:

GET /data/users?age=30

to get a list of 30 year old users. Now let me say that I want users between the ages of 30 and 40. I would like to have essentially a set of reusable operators, such as:

GET /data/users?greaterThan(age)=30&lessThan(age)=40

Major and minor will be reused in other numeric, date, etc. It would also allow me to add other operators (contains, starts with, ends with, etc.). I am a REST noob, so I'm not sure if this violates any basic principles of REST. Any thoughts?

Answer 1

"minAge" "maxAge".

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Answer 2

.. -

/data/users?age=[30,40]

/data/users?age=>30&age=<40

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