This idea has been merged into another idea. To comment or vote on this idea, please visit CF-I-14 Better search (Extension of the roadmap).
Free text search, with regular expressions (and, or, not, "") and the ability to include/exclude addon descriptions and/or titles.
Also, please restrict authors from adding tag to all categories. Too many items are being posted in categories in which they don't apply.
Merged with suggestion 14