| By default
the search engine tries to locate pages which have exact matches
for all of the words entered in your search query. If that fails,
it then tries to locate pages which contain any words in your search
query. If that happens a short message is displayed at the top of
the search results indicating this has been done.
In addition,
there are several ways to modify the default search behavior.
1. + and
- qualifiers: If you prepend a word with + that word is required
to be on the page. If you prepend a word with - that word is required
to not be on the page.
Example: +always -never
2. * wildcard: If a query word ends with a * all words
on a page which start the same way as that query word will match.
Example: gift*
3. ? wildcard: If a query word contains a ? any character
will match that position.
Example: b?g
Note: All of these techniques can be combined: +alway*
-ne??r*
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