SQL Server: How to find all localdb instance names

Question

I have two versions (2012, 2014) of SQL Server Express LocalDB installed in my system.

How can I find all existing LocalDB instance names?

I

Answer 1

To list all localdb instances, take a look vineel's answer below!

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If you want to list all databases of your default localdb instance using UI, look here (might not work with SSMS2019 anymore):

Just open your SSMS and connect to (LocalDB)\MSSQLLocalDB.
Now you will see all your LocalDB-Instances.

This works at least with SS2016.