ip: 100.28.231.85
(<[^>]+>)
^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,6}$
([a-fA-F0-9]{2}:){5}[a-fA-F0-9]{2}
here is example 1234567890 -> 1.234.567.890
(\d)(?=(\d{3})+(?!\d))
replace with $1\.
here is example of text file:
blahblah
blahblah2
blahblah2
blahblah3
blahblah4
and you want:
blahblah
blahblah2
blahblah3
blahblah4
Here is regexp;
^(.*?)$\n(?=^\1$)
replace with empty string and that line will be empty, if there is space on one of lines regexp will not highlight that line as duplicate!