| SEARCH OPERATORS | ||||
| Symbol | Symbol description | Priority | Example | Description |
| | | OR | 1 | Cats | dogs | This query will retrieve any documents that contain the word "Cats" or the word "dogs". |
| + | AND | 2 | Cats + dogs | This query will retrieve any documents that contain the word "Cats" and the word "dogs". |
| - | WITHOUT | 3 | Cats - dogs | This query will retrieve any documents that contain the word "Cats" without the word "dogs". |
| UNIT="" * | JOINS TWO WORD FOUND IN A UNIT |
4 | Cats UNIT="paragraph" dogs | This query will retrieve any documents that contain the word "Cats" and the word "dogs" in a same paragraph. |
| ADJ | ADJACENCY | 5 | Cats ADJ4 dogs | This query will retrieve any documents that contain the word "Cats" placed within 4 words of the word "dogs" in this order. |
| NEAR | NEAR | 6 | Cats NEAR6 dogs | This query will retrieve any documents that contain the word "Cats" placed within 6 words of the word "dogs". |
| > | FREQUENCY | 7 | Cats >6 | This query will retrieve any documents that contain the word "Cats" 6 times or more. |
| ( ) | OPERATOR PRIORITY | 8 | (Cats + Dogs) - mouse | This query will retrieve any documents that contain the words "Cats" and "dogs" without the word "mouse". |
* This operator requires the knowledge of the index table.
| WILDCARDS | |||
| Symbol | Symbol description | Example | Description |
| ? | Replaces one character | H?t | This query will retrieve any documents that contain the words Hat or Hot or Hit or Hut |
| * | Replaces a group of characters | B*y | This query will retrieve any documents that contain words starting with the letter "B" and ending with the letter "y". |
| [ ] | Defines a choice | Chat [ ,ting] | This query will retrieve any documents that contain the words Chat or Chatting. |