My Regex
$Return = preg_replace('/,[,\s]++\.$/', '', $Return);

What I supply
	Newspaper: Music Examination Results
At the October examinations of the Musical Society of Victoria Students presented by Mrs Ormsby, Campbell street, Camperdown, were again successful. The following is a list of those who gained their certificates: Intermediate, name,       ,       , , .[Sources] [Notes]

My Results
gained their certificates: Intermediate, name,       ,       , , .[Sources] [Notes]

What i expect
gained their certificates: Intermediate, name.[Sources] [Notes]