The bill should not have been sent and it is extremely regrettable,' said a trust spokesman.
'This is an unfortunate and extremely regrettable incident,' he told a newspaper.
"This is extremely regrettable," Data said, looking at the dragon's corpse.
"If this is the ministry's policy, it is extremely regrettable."
"It is extremely regrettable, to think that these people cannot return to Japan."
On the financial perspectives, we could have reached an agreement, and it is extremely regrettable that we did not do so.
The people have their expectations of Europe, and it is extremely regrettable that we will be unable to meet them.
I feel it is extremely regrettable that, despite the cooperation working in the main, there is so much dispute over this.
During the negotiations, the Council ignored these legitimate concerns, which is extremely regrettable.
It is extremely regrettable that the report did not receive the support of Parliament.