The most frequent support question I receive is how to work with tabs in SQL Server Management Studio. To improve the first impression for Tabs Studio in SSMS, I’ve decided to disable default SSMS tab grouping:
No tab grouping in SSMS by default
If you want tab grouping, two sample expressions equal to the default regex in previous releases are readily available:
SSMS tab grouping snippets
Tabs Studio Blog (organizing Visual Studio document tabs) 