kyverno/test/conformance/chainsaw/rangeoperators/standard/policy.yaml

apiVersion: kyverno.io/v1
kind: ClusterPolicy
metadata:
  name: check-value
spec:
  rules:
    - name: check-value
      match:
        any:
        - resources:
            kinds:
            - ConfigMap
      validate:
        failureAction: Enforce
        message: "All data values must be in the specified range."
        pattern:
          data:
            first_value: "+2-+4"
            second_value: "-2-5"
            third_value: "100Mi!-1024Mi"
            fourth_value: "2.5-3.5"
            fifth_value: "-10--8"