Disallow fragments in uri-references that point elsewhere in the OpenAPI description

Author: karenetheridge

schemas/v3.1/schema.yaml

@@ -11,8 +11,7 @@ properties:
   info:
     $ref: '#/$defs/info'
   jsonSchemaDialect:
-    type: string
-    format: uri-reference
+    $ref: '#/$defs/uri-reference-no-fragment'
     default: 'https://spec.openapis.org/oas/3.1/dialect/WORK-IN-PROGRESS'
   servers:
     type: array
@@ -214,8 +213,7 @@ $defs:
     type: object
     properties:
       $ref:
-        type: string
-        format: uri-reference
+        $ref: '#/$defs/uri-reference-no-fragment'
       summary:
         type: string
       description:
@@ -621,8 +619,7 @@ $defs:
     type: object
     properties:
       operationRef:
-        type: string
-        format: uri-reference
+        $ref: '#/$defs/uri-reference-no-fragment'
       operationId:
         type: string
       parameters:
@@ -716,8 +713,7 @@ $defs:
     type: object
     properties:
       $ref:
-        type: string
-        format: uri-reference
+        $ref: '#/$defs/uri-reference-no-fragment'
       summary:
         type: string
       description:
@@ -972,3 +968,9 @@ $defs:
       properties:
         explode:
           default: false
+
+  uri-reference-no-fragment:
+    $comment: a uri-reference used to reference other parts of the OpenAPI description
+    type: string
+    format: uri-reference
+    regex: '^[^#]*$'