Real Vim ninjas count every keystroke - do you?

Pick a challenge, fire up Vim, and show us what you got.

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$ gem install vimgolf
$ vimgolf setup
$ vimgolf put 5c264e64e8c64916d7fca650

remove lines containing the word "reader"

easy stuff

Start file
aklfdjwi37u8rifa a8fdiy 8837r asfyf3y reader
ksaldfjlasreadr aodifufjoe readddddddrrfai 
lakdfj0923898 928329 192378 reader
213891823 reader 29083190283 893774701283
https://website.grep/reader/somecomic.cbz
https://website.ls/download/somecomic.cbz
reader
not reader
End file
ksaldfjlasreadr aodifufjoe readddddddrrfai 
https://website.ls/download/somecomic.cbz

View Diff

1d0
< aklfdjwi37u8rifa a8fdiy 8837r asfyf3y reader
3,5d1
< lakdfj0923898 928329 192378 reader
< 213891823 reader 29083190283 893774701283
< https://website.grep/reader/somecomic.cbz
7,8d2
< reader
< not reader

Solutions by @PhamY4n:

Unlock 7 remaining solutions by signing in and submitting your own entry
Created by: @anantanni22

1162 active golfers, 3586 entries

Solutions by @PhamY4n:
9
#218 - duyanh.y4n.pham / @PhamY4n

06/11/2019 at 01:07PM

10
#>621 - duyanh.y4n.pham / @PhamY4n

06/11/2019 at 01:06PM

11
#>892 - duyanh.y4n.pham / @PhamY4n

06/11/2019 at 01:03PM

12
#>950 - duyanh.y4n.pham / @PhamY4n

06/11/2019 at 01:01PM

17
#>1112 - duyanh.y4n.pham / @PhamY4n

06/11/2019 at 12:59PM

20
#>1129 - duyanh.y4n.pham / @PhamY4n

06/11/2019 at 12:56PM

21
#>1129 - duyanh.y4n.pham / @PhamY4n

06/11/2019 at 12:54PM