Get everything after and before certain character in SQL Server

Question

I got the following entry in my database:

images/test.jpg

I want to trim the entry so I get: test

So basically, I want

Answer 1

SELECT SUBSTRING('ravi1234@gmail.com',1,(CHARINDEX('@','ravi1234@gmail.com')-1)) Before, RIGHT('ravi123@gmail.com',(CHARINDEX('@','ravi123@gmail.com')+1)) After