-# Expected are: YYYYMMDD, YYYYMMDD.x, YYYYMMDD<suite>x
-if ! echo "$VERSION" | grep -Eq "^[0-9]{8}(|(\.|[a-z]+)[0-9]+)$"; then
+# Expected are: YYYYMMDD, YYYYMMDD.x, YYYYMMDD<suite>x, YYYYMMDD+<suite>x and the +b[0-9] on the end
+if ! echo "$VERSION" | grep -Eq "^[0-9]{8}(|(\.|\+?[a-z]+)[0-9]+)(\+b[0-9])?$"; then