Operands

(e1)

Parenthesized sub expression, used to modify priority.

For example:

((fast OR speed) AND NOT light)

e1

"e1"

Quoted expression, used to escape all special characters. Inside a double quoted group, words are handled in a tight (NEXT) sequence. All operators are ignored.

e1

"word1 word2"

Quoted expression.

word1 NEXT word2

"word1 OR word2"

Quoted expression

word1 NEXT "OR" NEXT word2

Regular expressions

[field:]/pattern/{options}

title:/desi.*/{w=10000,#=100}

Wildcard

[field:]word*{options} [field:]*word{options}

desi* title:*faces

s=N

Replace the predicate's score by an explicit value.

price<500{s=1000}

s+=N

Increase the predicate's score by a given value.

GUI{s+=100000}

s-=N

Decrease the predicate's score by a given value.

Note: The score of a given predicate can be negative, but the final score of the document can never be lower than 0.

corporate/tree:"Top/Attributes/XXX" {s-=100000}

w=N

Replace the predicate's weight by an explicit value.

design{w=10000}

w*=N

Multiply the predicate's weight by a given value.

design{w*=2}

k=number

Set explicit matching level.

k=1 is the lowercase matching mode

k=2 is the normalized matching mode.

hl=0

Deactivates search result highlighting and summary for a specific node of the query only.

word1 word2{hl=0} word3