Search Function OptionsΒΆ
In addition to allowing you to search on a specific word, Observer allows you to search using phrases, wildcards, and Boolean operators. Consult the table below for details.
Query |
Example |
Notes |
single term |
document |
Searches for documents that contain "document" term in the default field |
phrase |
"important document" |
Searches for documents that contain the phrase "important document" in the default field. |
wildcard search |
doc?ment |
Single-character wildcard search. It will match "document" and "dociment" but not "docooment". |
document* |
Multi-character wildcard search. It will match "document" and "documentation". |
|
fuzzy search |
document~ |
Search based on similar spelling. |
document~0.9 |
Search based on similar spelling. 0.9 is the required similarity (default: 0.5) |
|
proximity search |
"important document"~5 |
Find words of a phrase that are not next to each other. Maximum distance in this example is 5 words. |
relevance |
important^4 document |
Set boost factor of the term "important" to 4. Default boost factor is 1. |
"important document"^4 "search engine" |
You can set boost factor for phrases too. |
|
OR operator |
important document |
"OR" is the default operator. |
important OR document |
The default field must contain either "important" or "document". |
|
AND operator |
important AND document |
The default field must contain both words. |
+ operator |
important +document |
The default field must contain "document" and may contain "important". |
NOT/- operator |
-important document |
The default field must contain "document" but not "important". |
grouping |
(important OR office) AND document |
Use parentheses for expression grouping. |