!bang is a fast and geeky search engine selector.

click on the following link to autimatically add !bang to your browser's search engine list
Install !bang search engine
or add it manually by copying the link below to the chrome search engine manager o firefox search engine manager:

you can customize !bang behavior and aspect by passing correct parameter in the URL:

command	query
default	set default search engime (e.g.:default=!b [set bing.com as default search engine.])
q	(only on /search.php page)set query string and perform the search(e.g.:q=foo)
theme	(next feature) set !bang theme (dark or bright) (e.g.: theme=dark)

example:

command	query
!g	query www.google.com
!a	query www.amazon.com
!ait	query www.amazon.it
!afr	query www.amazon.fr
!aes	query www.amazon.es
!auk	query www.amazon.co.uk
!b	query www.bing.com
!bi	bing images
!bit	query www.bing.com with IT lang
!bfr	query www.bing.com with FR lang
!bes	query www.bing.com with ES lang
!bl	query www.bing.com with browser's local lang setting
!gi	google images
!gl	google with browser's local lang setting
!gm	google maps search
!git	google with IT lang
!gfr	google with FR lang
!ges	google with ES lang
!yt	www.youtube.com
!f	www.facebook.com
!t	www.twitter.com
!ebay	www.ebay.com
!w	en.wikipedia.org
!wit	it.wikipedia.org
!wfr	fr.wikipedia.org
!wes	es.wikipedia.org
!dd	www.duckduckgo.com
!i	google images
!y	yahoo.com
!yi	yahoo images
!yit	yahoo with IT lang
!yfr	yahoo with FR lang
!yes	yahoo with ES lang

prefix	description
!	the search command
?	the debug search command
root	description
g	query www.google.com
a	query www.amazon.com
...	...
suffix	description
it	italian language
fr	french language
l	browser's local lang setting
i	search images
...	...

you can debug your query by replacing '?' command instead of the search command '!'

since chrome extentions only allows one keyword, the activation keyword is:

use a Lisp syntax to perform semantic commands in search query:

semantic command	description
(in Rome)	geo search
(or blue red green)	exclusive search (only one word
(and blue red green)	search all the words
(filetype pdf)	search spefific filetype(extension)
(filetype pdf txt zip)	search multiple filetype format
(strict foo bar)	search exactly the words "foo" "bar"
(relax foo bar)	search words close to your query
(strictorder foor bar)	search the words in the exact order without other inner words

!bang web site