User-agent: *
# disallow all files in these directories
Disallow: /tag
Disallow: /results
Disallow: /user
Disallow: /gsearch
Disallow: /cat/

User-Agent: Googlebot
Disallow: /*?*
Disallow: /*?*/
Disallow: /*/*?*
Disallow: /*/*?*/
Disallow: /tag
Disallow: /results
Disallow: /user
Disallow: /gsearch