action == 'edit' &
user_editcount < 20 & (   
	diff_string := "🖕+";
	( 
		added_lines rlike diff_string &  
		!removed_lines rlike diff_string)
	)
 
misc

Information icon Hello, I'm The4lines. An edit that you recently made seemed to be a test and has been removed. If you want to practice editing, please use the sandbox. If you think a mistake was made, or if you have any questions, you can leave me a message on my talk page. Thanks!

Test

edit

Information icon Hello, I'm The4lines. An edit that you recently made seemed to be a test and has been removed. If you want to practice editing, please use the sandbox. If you think a mistake was made, or if you have any questions, you can leave me a message on my talk page. Thanks!

I am TheTestLines on Test Wikipedia.asdad

data-sort-value="" style="background: var(--background-color-interactive, #ececec); color: var(--color-base, #2C2C2C); vertical-align: middle; text-align: center; " class="table-na" | — 

The4lines |||| (You Asked?) 17:59, 27 April 2020 (UTC)THe4lines The4lines |||| (You Asked?) 18:04, 27 April 2020 (UTC)The4lines

The4lines |||| (You Asked?) 18:11, 27 April 2020 (UTC)The4lines

The4lines |||| (You Asked?) (You Want To Know?) 18:22, 27 April 2020 (UTC)The4lines

Does this work

 (non-admin closure)