Add invalid_regex plugin to detect nonexistent regex capture groups #367

	name: Python tests

	on: [push, pull_request]

	jobs:
	legacy:
	name: Test on Python ${{ matrix.python-version }}
	runs-on: ubuntu-22.04
	strategy:
	matrix:
	python-version: ['3.6', '3.7']
	container:
	image: python:${{ matrix.python-version }}
	steps:
	- uses: actions/checkout@v3
	- name: Install dependencies & test
	run: \|
	pip install -r requirements.txt \
	-r requirements.dev.txt
	flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
	pytest -v -n auto
	modern:
	name: Test on Python ${{ matrix.python-version }}
	runs-on: ubuntu-22.04
	strategy:
	max-parallel: 4
	matrix:
	python-version: ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v3
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	pip install -r requirements.txt
	pip install -r requirements.dev.txt
	- name: Lint with flake8
	run: \|
	# stop the build if there are Python syntax errors or undefined names
	flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
	# exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
	flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
	- name: Test with pytest
	run: \|
	pytest -v -n auto
	env:
	GITHUB_API_TOKEN: ${{ secrets.GITHUB_TOKEN }}

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