Searching through the Web by using the Google search engine is a de facto standard for Internet users. Google provides a basic or an advanced form to prepare a query string to its search engine. Supposing to be interested in not using the web form, one can simply do an HTTP get request to the specific URL with a query string constructed upon the search conditions.

For instance I can search for results with word "hello" by doing an HTTP request at:

http://www.google.com/search?q=hello

I can add another word, e.g. "world", as follows:

http://www.google.com/search?q=hello+world

You know, the search can be more "complicated" by specifying nice parameters like:

  • or condition(s)
  • exact phrase(s)
  • search on specific domain(s)
  • avoid a specific word(s)
  • search with a specific language
  • limit search by geographical area
  • search for document type
  • etc.

How can I modify the query string to account for the above search parameters?

http search-engine google-search
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