Remove empty lines in file with VSCode but only at the start and end of file

Question

Here is my text :

     <---- empty line to delete
     <---- empty line to delete
Lorem ipsum
Lorem ipsum
     <---- empty line to keep
Lorem ipsum
     <---- empty line to delete

Here's what I would like to have using VSCode regex, or any extension you might know about.

Lorem ipsum
Lorem ipsum

Lorem ipsum

Any idea ? Thanks!

EDIT: I might need to precise that I want to achieve this on more than 12000 files. So can't imagine doing this manually.. And I haven't found any extensions yet, neither answers about this subject.

How do you define empty line? Only allowed characters are spaces? — s_baldur
– s_baldur, Commented May 30, 2022 at 10:30
@kipy thank you but this is only white spaces, no new lines. — p_duthoit
– p_duthoit, Commented May 30, 2022 at 10:51

s_baldur · Accepted Answer · 2022-05-30 15:00:55Z

3

For empty lines at the end, you can remove them with \n+$(?![\r\n]) in VSCode.

For the first empty lines should work (?) (?<!(.|\n))\n+.

Other flavours of regex have (although they don't seem to work in VSCode) have \A or \` and \Z \' for start and end of file.

edited May 30, 2022 at 15:00

answered May 30, 2022 at 10:39

s_baldur

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2 Comments

p_duthoit Over a year ago

Thanks for your help, indeed some lines containing special characters at the end, are selected too. But this puts me on track! Let me check.

p_duthoit Over a year ago

(?<!(.|\n))\n+ This seems to do the trick, and handles more (all ?) cases. Maybe you can update your answer with it. Thanks didn't know it was possible.

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