Feature/regular expression metafunction #439

Job	Run time
ubu-24 \| g++-14 \| c++2b \| libstdc++ \| ubuntu-24.04	18m 26s
ubu-24 \| g++-13 \| c++2b \| libstdc++ \| ubuntu-24.04	9m 54s
ubu-20 \| g++-10 \| c++20 \| libstdc++ \| ubuntu-20.04	8m 44s
ubu-24 \| clang++-18 \| c++20 \| libstdc++ \| ubuntu-24.04	9m 10s
ubu-24 \| clang++-18 \| c++23 \| libc++-18-dev \| ubuntu-24.04	9m 1s
ubu-22 \| clang++-15 \| c++20 \| libstdc++ \| ubuntu-22.04	7m 25s
ubu-22 \| clang++-15 \| c++20 \| libc++-15-dev \| ubuntu-22.04	7m 45s
ubu-20 \| clang++-12 \| c++20 \| libstdc++ \| ubuntu-20.04	6m 59s
mac-14 \| clang++ \| c++2b \| default \| macos-14	3m 31s
mac-13 \| clang++ \| c++2b \| default \| macos-13	7m 15s
mac-13 \| clang++-15 \| c++2b \| default \| macos-13	9m 18s
win-22 \| cl.exe \| c++latest \| default \| windows-2022	5m 25s
win-22 \| cl.exe \| c++20 \| default \| windows-2022	5m 31s
aggregate-results	4s
	1h 48m 28s

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