Fix camel-case conversions to ignore allcaps #458

Job	Run time
build (windows-latest, net472, 20.x, Release)	6m 31s
build (windows-latest, net6.0, 20.x, Release)	6m 27s
build (windows-latest, net8.0, 18.x, Release)	8m 39s
build (windows-latest, net8.0, 20.x, Release)	7m 41s
build (macos-latest, net6.0, 20.x, Release)	2m 46s
build (macos-latest, net8.0, 18.x, Release)	4m 31s
build (macos-latest, net8.0, 20.x, Release)	3m 55s
build (ubuntu-latest, net6.0, 20.x, Release)	3m 45s
build (ubuntu-latest, net8.0, 18.x, Release)	5m 11s
build (ubuntu-latest, net8.0, 20.x, Release)	5m 5s
	54m 31s

Provide feedback