Hi, 
please some help on RewriteMap + RewriteCond.

I want RewriteCond to match only request's that start with a text from rewriteMap file.

I did this but it only works as an exactly match.
RewriteMap      robots_page             txt:/etc/robots_page.txt
RewriteCond     ${robots_page:%{REQUEST_URI}|NOT_FOUND} !=NOT_FOUND

robots_page.txt contents:
/rest-api/ -
/rest-apiv2/ -
/rest-apiv3/ -

For instance, I want to match requests like:
/rest-api/customer/1
/rest-api/invoice/2
/rest-api/customer/list
/rest-apiv2/invoice/98
/rest-apiv3/invoice/list

Thanks!