Properties with RegEx patterns containing a unicode property escape renders braces in example values

[richard-collette-precisely]

Q&A (please complete the following information)

• OS: macOS
• Browser: chrome
• Version: 127.0.6533.122
• Method of installation: Swashbuckle
• Swagger-UI version: 5.17.14
• Swagger/OpenAPI version: 3.0.1

Content & configuration

Example Swagger/OpenAPI definition:

openapi: 3.0.1
info:
  title: 'Example'
  version: '1'
paths:
  /api/v1/user-profiles:
    post:
      tags:
        - UserProfiles
      summary: Creates a new user profile.
      description: 
      operationId: >-
       CreateUserProfileModel)
      parameters:
      requestBody:
        content:
          application/json:
            schema:
              $ref: >-
                #/components/schemas/CreateUserProfileModel
      responses:
        '201':
          description: Created
          content:
            application/json:
              schema:
                $ref: >-
                  #/components/schemas/UserProfileStateDto
components:
  schemas:
    CreateUserProfileModel:
      type: object
      properties:
        firstName:
          maxLength: 50
          pattern: ^[\p{L}\p{M}\p{Zs}\p{N}'-]+$
          type: string
          description: Given name of the user
          nullable: true
    UserProfileStateDto:
      type: object
      properties:
        id:
          type: string
          description: The Okta user id.  Do not use this as a key in applications.
          nullable: true
  securitySchemes:
    Bearer:
      type: http
      description: JWT Bearer Authorization.
      scheme: bearer
      bearerFormat: JWT
tags:
  - name: UserProfiles
    description: Operations for managing user profiles

Describe the bug you're encountering

Given a with a pattern having character categories like \p{N}, Swagger UI is interpreting the braces to mean brace character literal.

The example data that is generated for that property looks like:

  "firstName": "{LsLM{p{sZps-pZ's{}}}}NpN'p'psZ-ssNNMp-'MNL{L'sZp'",

Expected behavior

The delimiters \p{ followed by } should be treated as a character class instead of seeing { as a character literal to match. I should not see braces in the example value produced.

Screenshots

Additional context or thoughts