How do you delete all line except lines containing a word I need?

How do you delete all line except lines containing a word I need?

Detailed instructions follow.

1. Search menu “Find”. In the Find dialog, click the “Mark” tab. Activate regular expressions. Search for ^ ( ^ is for line start). Don’t forget to check “Bookmark lines” and Press “Mark All”
2. Search Menu -> Bookmark -> Remove Unmarked Lines. ==> All NON Bookmarked lines are deleted.

How do you delete all unmarked lines in NotePad ++?

How to remove lines containing specific text in Notepad++ using the Bookmarks method

1. Suppose we wish to remove all lines containing the text “wpdm”
2. Select the Mark all button and close the dialog.
3. To remove the bookmarked lines, select Search > Bookmarks > Remove bookmarked lines:

How do you delete all lines in NotePad ++ except lines containing a word?

How do you delete all lines in Notepad ++ except lines containing a word?

Is there a way to delete all lines in a file?

Sed Command to Delete Lines – Based on Position in File. The sed command can be used to delete a range of lines. Here m and n are min and max line numbers. The sed command removes the lines from m to n in the file. Use the negation (!) operator with d option in sed command. The following sed command removes all the lines except the header line.

How to delete lines that start with specified character?

Delete lines that begin with specified character ^ is to specify the starting of the line. Above sed command removes all the lines that start with character ‘u’. 11. Delete lines that end with specified character $ is to indicate the end of the line. The above command deletes all the lines that end with character ‘x’. 12.

How to delete all blank lines in a data set?

For example, to delete all blank lines in a data set, type these commands on the command line and press Enter after each one: 1 First, reset all excluded lines: RESET X 2 Then, exclude lines containing characters that are not blanks: EXCLUDE ALL P’¬’ 3 Finally, delete the non-excluded lines, which contain only blanks: DEL ALL NX More

How to delete lines that contain certain string in Python?

I’m trying to read a text from a text file, read lines, delete lines that contain specific string (in this case ‘bad’ and ‘naughty’). The code I wrote goes like this: