Reuse `re.Pattern` object in regex patterns #4671

Job	Run time
build on ${{ matrix.os }} (${{ matrix.target }} - ${{ matrix.interpreter \|\| 'all' }}${{ (((matrix.os == 'linux') && format(' - {0}', (((matrix.manylinux == 'auto') && 'manylinux') \|\| matrix.manylinux))) \|\| '') }})	0s
build pgo-optimized on ${{ matrix.os }} / ${{ matrix.interpreter }}	0s
rust benchmarks	4m 0s
build sdist	11s
build-wasm-emscripten	3m 28s
coverage	4m 6s
lint	48s
test-debug 3.11	53s
test-debug pypy3.10	1m 40s
test MSRV	2m 37s
test on ubuntu	4m 58s
test on macos	6m 23s
test on windows	10m 5s
test 3.8	5m 14s
test-pydantic-integration	1m 30s
test 3.9	5m 35s
test 3.10	5m 35s
test 3.11	5m 28s
test 3.12	5m 25s
test pypy3.9	5m 27s
test pypy3.10	5m 28s
test build on ${{ matrix.target }}-${{ matrix.distro }}	0s
test build on ${{ matrix.os }}	0s
inspect-pypi-assets	0s
check	8s
release	0s
	1h 18m 59s

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