Tags[0][0] = new Array(
						/\[spoiler=(.*?)\]/gi,
						/\[spoiler\]/gi,
						/\[hr\]/gi,
						/\[align=(\w*)\]/gi
					);



SHOULD BE:


Tags[0][0] = new Array(
						/\[spoiler=(.*?)\](?=.+\[\/spoiler\])/gi,
						/\[spoiler\](?=.+\[\/spoiler\])/gi
						/\[hr\]/gi,
						/\[align=(\w*)\]/gi
					);