- Related Terms
 - Related Categories
 - Web Site Location
 - Document Type
 - Bookmark Site
 - View Site in a Frame
 - One or Three Columns Thumbnail Views
 - Restrict Query to 11 langages
 - Restrict Query to Country
 - Restrict Query to four Types of Office Document or Rtf and Txt
 - Site: Search
 - Stemming Search
 - Phonetic Search
 - Approximate Spelling Search
 - Sorting by Date or Relevance
 - Prefix search
 - Pattern Search
 
Exalead supports regular expression patterns. Patterns are introduced by a slash ('/') character. Within a regular expression, '.' is a special character that can represent any character, '*' stands for character repetition, '|' stands for 'or', and parenthesis are used to group characters. '?' is placed the end of a character group to make it optional.
Example:
/s.ren..pi.y/
Searches for documents with words that match the pattern S . R EN .. PI . Y -- this can be very useful to finish your crossword puzzles!
/mpg(1|2|3)?/
Searches for documents containing any of the following: mpg, mpg1, mpg2, or mpg3.
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