Is it possible to duplicate lines of text with GREP? Here is exactly what I would like to do; I have a list of letters and numbers that looks like this:
And I need it to be like this:
So basically I would like to duplicate every line, add the = symbol between the original and the copy and then add + after the numbers of the copy except for the last number. I understand how GREP works but I’m very bad with the syntax. Any idea? Thank you for your help!