Regular Expressions 101

Explanation
Pro

^start of line

.*any character (except for line terminators), repeated any number of times

\ban ASCII word boundary

EXCLUDEthe literal text EXCLUDE (case sensitive)

\ban ASCII word boundary

.*any character (except for line terminators), repeated any number of times

\Ra newline sequence

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Detailed match information will be displayed here automatically.

25 tokens

^.*\bEXCLUDE\b.*\R

New

Firstly include this line
EXCLUDE this entire line
include this line
and this as single match
and EXCLUDE this line
Lastly include this line

Firstly include this line
EXCLUDE this entire line
include this line
and this as single match
and EXCLUDE this line
Lastly include this line