Definition of "Full-Scale Regional War": A "full-scale regional war" in the context of this question is defined as active, sustained military conflict involving at least three sovereign nations within the Middle East region, with these countries officially declaring war or being widely recognized as being in a state of war.

Duration of Conflict: The conflict must last for at least 30 consecutive days, with ongoing military operations and significant engagements between the involved countries.

Geographical Scope: The conflict must encompass significant military actions in multiple locations across the Middle East, not just isolated skirmishes or border clashes.

Mainstream Media: The occurrence of such a war must be verified by at least three credible international news organizations, who explicitly or implicitly call it a wider war. (e.g., BBC, Reuters, Al Jazeera, CNN).