What is additional properties in JSON schema?
Additional Properties The value of the additionalProperties keyword is a schema that will be used to validate any properties in the instance that are not matched by properties or patternProperties . Setting the additionalProperties schema to false means no additional properties will be allowed.
What does ExclusiveMinimum property in Jsonschema mean?
ExclusiveMinimum Property. Gets or sets a flag indicating whether the value can not equal the number defined by the minimum attribute (Minimum).
What are JSON properties?
JSON is a syntax for serializing objects, arrays, numbers, strings, booleans, and null . It is based upon JavaScript syntax but is distinct from it: some JavaScript is not JSON. Property names must be double-quoted strings; trailing commas are forbidden. Leading zeros are prohibited.
What is Jschema?
An in-memory representation of a JSON Schema.
Can You parse JSON with regular expressions in regex?
When I learned of regular expression engines that support recursion I thought I could write a recursive-descent parser in regex. Since I’ve written JSON parsers a few times and it’s a simple spec, I chose that as the test case. In the end I created two versions.
How are regular expressions defined in JSON Schema?
^: Matches only at the beginning of the string. $: Matches only at the end of the string. (…): Group a series of regular expressions into a single regular expression. |: Matches either the regular expression preceding or following the | symbol.
What does the additionalproperties keyword DO in JSON?
The additionalProperties keyword is used to control the handling of extra stuff, that is, properties whose names are not listed in the properties keyword. By default any additional properties are allowed. The additionalProperties keyword may be either a boolean or an object.
When to use patternproperties in JSON Schema?
By default, providing additional properties is valid: Sometimes you want to say that, given a particular kind of property name, the value should match a particular schema. That’s where patternProperties comes in: it maps regular expressions to schemas.