func google.golang.org/protobuf/reflect/protoreflect.isLetterDigit

2 uses

	google.golang.org/protobuf/reflect/protoreflect (current package)
		proto.go#L470: 	for len(s) > i && isLetterDigit(s[i]) {
		proto.go#L478: func isLetterDigit(c byte) bool {