Fulltext on AppEngine Java . Searching substring (SDK 1.6.6)

Question

Searching for document containing a word e.g. London works. How do i define a search for a documents with (substring):

1. starting with "Lond"
2. or word ending with "don"
3. or word containing "on"

Documentation: https://developers.google.com/appengine/docs/java/search/overview

Answer 1

App Engine's full text search API does not support substring matching.

However you can invent a workaround for this. See this answer for a Python-based solution that should translate easily to Java.

Answer 2

Substring search is not supported.