Find lines by length in Notepad++? [closed]

Answer 1

You mean something like this?

.{15}

Or mark all the lines, if longer than 15 characters:

.{15,}

Answer 2

There is an easy way to perform this.

1. Go to Search > Find... > Select the Mark Tab. Make sure you have Regular expression checked under the Search Mode box and make sure you check the Bookmark Line box.

2. You want to search for the following, still being under the Mark tab.

   Find what: ^.{15,}
   

3. Finally, click Mark All which bookmarks the lines that have 15 characters or more.

Example: