René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"String enum values containing ³ character do not get properly sanitized","articleBody":"**Describe the bug**\nThe `³` character in string enum values does not get sanitized out before creating enum names, resulting in invalid generated code.\n\n**OpenAPI Spec File**\n```\nopenapi: 3.0.0\ninfo:\n  title: Test API for Nm³ Enum Issue\n  version: 1.0.0\n  description: Minimal API to reproduce enum generation issue with Unicode characters\n\nservers:\n  - url: https://api.example.com\n\npaths:\n  /volume:\n    get:\n      summary: Get volume measurements\n      responses:\n        '200':\n          description: Volume measurement response\n          content:\n            application/json:\n              schema:\n                type: object\n                properties:\n                  unit:\n                    $ref: '#/components/schemas/VolumeUnit'\n                  value:\n                    type: number\n\ncomponents:\n  schemas:\n    VolumeUnit:\n      type: string\n      enum:\n        - \"Nm³\"\n        - \"m³\"\n        - \"ft³\"\n        - \"normal_value\"\n      description: Volume unit with problematic Unicode superscript characters\n```\n\nOn WSL, I checked out the latest version of the generator and ran\n```\npip3 install -e .\npython3 -m openapi_python_client generate --path repro.yaml --output-path test_output\n```\n\nWhich resulted in the following ./test_output/test_api_for_nm_³_enum_issue_client/models/volume_unit.py (along with a pile of ruff errors)\n```\nfrom enum import Enum\n\nclass VolumeUnit(str, Enum):\n    FT³ = \"ft³\"\n    M³ = \"m³\"\n    NM³ = \"Nm³\"\n    NORMAL_VALUE = \"normal_value\"\n\n    def __str__(self) -\u003e str:\n        return str(self.value)\n```\n\nWhich is not legal python.\n\n\n**Desktop (please complete the following information):**\n - OS: Microsoft Windows Server 2022, WSL 2.1.5.0, Ubuntu 22.04.5\n - Python Version: Python 3.10.12\n - openapi-python-client version 0.26.1\n\n**Additional context**\nAdd any other context about the problem here.\n","author":{"url":"https://github.com/j-reisons","@type":"Person","name":"j-reisons"},"datePublished":"2025-09-29T09:33:46.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/1327/openapi-python-client/issues/1327"}