^castxml version [0-9]+\.[0-9]+[^\n]*

CastXML project maintained and supported by Kitware \(kitware.com\).

clang version [0-9]+\.[0-9]+

^castxml version [0-9]+\.[0-9]+[^\n]*

CastXML project maintained and supported by Kitware \(kitware.com\).

[^
]*clang version [0-9]+\.[0-9]+

Allow string before clang version
test: Allow string before clang version

Some Debian builds have a "Debian" or "Ubuntu" string before
the clang version. Relax the test to allow for this.
