CMake Error at FILTER-wrong-regex.cmake:[0-9]+ \(file\):
  Error evaluating generator expression:

    \$<LIST:FILTER,a;b;c,INCLUDE,\^\(a>

  sub-command FILTER, failed to compile regex "\^\(a".
Call Stack \(most recent call first\):
  CMakeLists.txt:[0-9]+ \(include\)
