How to define different possible types for one field in JSON Schema?

Question

For example, need to validate field GRADE - not blank string (which can be converted to integer) or integer between 1 and 1000

just read the documentation of jsonschema you will find the examples there — deadshot
– deadshot, Commented Apr 29, 2022 at 18:35
this will help json-schema.org/learn/getting-started-step-by-step — deadshot
– deadshot, Commented Apr 29, 2022 at 18:41

Ether · Accepted Answer · 2022-04-29 19:28:15Z

1

The most basic definition would be:

      "GRADE": {
        "type": ["string", "integer"],
        "pattern": "^[0-9]+$"
      }

Take a look at the pattern keyword as described in detail here: https://json-schema.org/understanding-json-schema/reference/string.html#id6

You can define a regular expression that meets your exact requirements for the GRADE field.

edited Apr 29, 2022 at 19:28

Ether

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answered Apr 29, 2022 at 18:46

Clemens

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9 Comments

deadshot Over a year ago

how would you restrict the min and max numbers?

Clemens Over a year ago

So the person who just gives links to some documentation is now asking for details?

OneCricketeer Over a year ago

No, the question itself was asking for a range of numbers, not a pattern of single digits

Clemens Over a year ago

Please tell me how the property value can be of both types at the same time?

Ether Over a year ago

"pattern": "[0-9]" only checks that there is a digit somewhere in the string; to check that it consists only of digits, the pattern must be anchored with ^ and $.

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