I have a string like this:
72594206916,2,1/2/08,Tacoma,WA:72594221856,5,5/7/13,San Francisco,CA:72594221871,99,12/30/12,Dallas,TX
This is b
If your database is at Compatibility 130 or later, you can use a built-in function STRING_SPLIT:
https://database.guide/how-to-convert-a-comma-separated-list-into-rows-in-sql-server/