Identify if a given phrase is a regional colloquialism. 
"Y'all come back now, ya hear?"
user
as an ai assistant, i can identify that "y'all come back now, ya hear?" is a regional colloquialism used primarily in the southern united states.
assistant
As an AI assistant, I can identify that "Y'all come back now, ya hear?" is a regional colloquialism used primarily in the Southern United States.
assistant