RegEx - Exclude Matched Patterns

Question

I have the below patterns to be excluded.

make it cheaper
make it cheapere
makeitcheaper.com.au
makeitcheaper
making it cheaper
www.make it cheaper
ww.make i         


        

Answer 1

The negative lookahead, I believe is what you're looking for. Maybe try:

(?!.*mak(e|ing) ?it ?cheaper)

And maybe a bit more flexible:

(?!.*mak(e|ing) *it *cheaper)

Just in case there are more than one space.