QRegExp is deprecated in Qt6 and will get moved to the Qt 5 compat
library. As such we need to remove all API and usages of QRegExp
in Qt.
Change-Id: I33fb56701d3d7c577f98a304c1d4e6f626fcb397
Reviewed-by: Richard Moe Gustavsen <richard.gustavsen@qt.io>