Crawl regex and auto crawl

1st question

how to tell yacy to crawl only these pages

http://example.com/*/abc/*.html

2nd question

can yacy do a crawl automatically every day

3rd question

how to exclude <div id="someDiv"> in some.html from search results

The crawl start provides fields for regular expressions to include or exclude urls.
Then there is the crawl scheduler where you can reschedule a crawl on a daily basis.