Thanks for the advice Jens! I'm fairly new to Couch any chance of a simple example that shows how to build this type of map function? Regards, Carl Carl Bourne | Senior Sales Engineer | mobile: +44 (0) 7770 284294 | www.venafi.com On 18 Sep 2012, at 17:40, Jens Alfke wrote: > > On Sep 18, 2012, at 8:51 AM, Carl Bourne > wrote: > > Whats the best approach for excluding documents from a view based on a list of regex expressions. For example I want to exclude anything where doc.issue.name contains a value that matches a list of regex expressions. > > The map function should contain an array of regexes, and match the doc.issue.name against each one in turn. If it matches any of them, just return, else emit whatever the appropriate key/value are. > > —Jens