I have a lot of code lines, written in TeXstudio. Now I realized that I sometimes forgot to add a blank space after the \[...\]
math mode. So I wanted to search&replace
\[
...
\]
Here is the text
with
\[
...
\]
Here is the text
But I cannot find a regular expression for a blank line. How can I do that?
\n
..*
on it, I believe. But what are you trying to do? A blank line ends a paragraph. But paragraphs don't have to end after display math.