App Engine Docs

Trigger: !appengine

Try it

Kagi would openhttps://code.google.com/query/#p=appengine&q=regex+lookahead

Run !appengine in Kagi

URL pattern: https://code.google.com/query/#p=appengine&q=query

Searches code.google.com, filed under Programming.

Other bangs for code.google.com

Google Code !gcode