My post seems to have evaporated. If this turns out to be a duplicate, 
apologies!

Text->Remove Line Breaks appears to be a built in feature to do what you 
want. Basically, blocks of text with single line breaks become one long 
line. Two newlines separate paragraphs. View->Text Display->Soft Wrap Text 
will then give a pleasant visual layout without modifying the text.

In my first post I suggested some regex patterns that on second glance do 
not seem to work. Once again, apologies!

On Wednesday, May 31, 2023 at 11:27:27 AM UTC-5 Neil Faiman wrote:

>
> On May 30, 2023, at 10:47 PM, ProjectGuru <[email protected]> wrote:
>
> I'm looking for a GREP pattern that can delete the newlines that exist 
> ONLY after some text and NOT newline characters that exist between 
> paragraphs For example:
>
> =================================================
>
> ORIGINAL TEXT:
>
> [Ms. Rowling] This is Ms.
> Rowling, author
> of the Harry Potter
> collection.
> And now onto the show.
>
> [intro music]
>
> [John] Hi everyone.
> Welcome back to the
> Harry Potter podcast.
> I'm your co-host John Doe.
>
> DESIRED RESULT:
>
> [Ms. Rowling] This is Ms. Rowling, author of the Harry Potter collection. 
> And now onto the show.
>
> [intro music]
>
> [John] Hi everyone. Welcome back to the Harry Potter podcast. I'm your 
> co-host John Doe.
>
> =================================================
>
>
> This search pattern will do the trick.
>
> (?s)(?<=\S)\n(?=\S)
>
>
> Command-F; put it in the Find: box, put a single space in the Replace: 
> box, check Grep, and click Replace All.
>
> Explanation:
>
>
>    - (?s) — the string being searched is the entire document, not 
>    individual lines.
>    - (?<=\S)) — match the search string only when it is preceded by a 
>    non-white-space character
>    - \n — the actual search string: a single newline
>    - (?=\S) — match the search string only when it is followed by a 
>    non-white-space character
>
>
> When I apply this to your original text, I get:
>
> [Ms. Rowling] This is Ms. Rowling, author of the Harry Potter collection. 
> And now onto the show.
>
>
> [intro music]
>
>
> [John] Hi everyone. Welcome back to the Harry Potter podcast. I'm your 
> co-host John Doe.
>
> Cheers,
> Neil Faiman
>
>

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