$0 is the regex for the find what text
$0 is the regex for the findwhat text
$0 is the regex for the findwhattext
$0 is the regex for the found text
$0 is the regex for the foundtext
I dunno which one is worse at “monetizing” in other words Hiding and Obscuring USEFUL information. Go ahead, search for the regex for the find text, I dare you. Feel free to check on yandex baidu bing too just to see how horrible it is.
p{script=Han}
p{Han}
d
{Latin}
s blank space
[^0-9] any digit
. any character
w any alphanumeric
A paragraph break in the Search box is “$” but in the Replace box it is “n”.
You also mentioned “^.” which means the first character of a paragraph and “.$” means the last character of a paragraph.
FWIW, “^$” means a blank paragraph.