How to replace/delete lines starts with particular word in Eclipse?

Question

Some cases, I have to replace/delete lines starts with particular word like \'public\' \'private\' Java classes or for XML file.

Answer 1

See the image:

1. add regular expression as Jens correctly mentioned ^\s+.*$
2. put nothing in here.
3. Check on regular expression option.
4. Click Replace All.