I have a very long list that I need to organize. This is what the format looks like:
H1001
H1001-1
H1001-2
H1029
H1029-1
However, not every number with a -# has a line preceding it with the main H number. In this case I need to insert a line above the first instance of every H####-# as shown below.
H3914
H3914-1
H3917
H3917-1
H3923-1
H3926-1
H3935-1
And in other cases a main H number is shown but no -# lines follow so I will need to remove those lines.
I am at 4000 lines and would like to speed up this process. Any help would be greatly appreciated.
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