Input : 

```
start1
david@gmail.com
david@gmail.com
david@gmail.com
david@gmail.com
david@gmail.com
david@gmail.com
david@gmail.com
start2

```

I want to capture whatever string is in between start1 and start2. String between them would be variable. 
Output: 

```
david@gmail.com
david@gmail.com
david@gmail.com
david@gmail.com
david@gmail.com
david@gmail.com
david@gmail.com

```

**Using Substring/Index function**