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11.3.
Zebra Help Snippets
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x* |
Matches x zero or more times. Priority: high. |
x+ |
Matches x one or more times. Priority: high. |
x? |
Matches x zero or once. Priority: high. |
xy |
Matches x, then y. Priority: medium. |
x|y |
Matches either x or y. Priority: low. |
( ) |
The order of evaluation may be changed by using parentheses. |
"steph.* king" matches stephen king
Via: http://www.indexdata.dk/zebra/doc/querymodel-zebra.tkl#querymodel-regular
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query ::= top-set query-struct.
top-set ::= [ '@attrset' string ]
query-struct ::= attr-spec | simple | complex | '@term' term-type query
attr-spec ::= '@attr' [ string ] string query-struct
complex ::= operator query-struct query-struct.
operator ::= '@and' | '@or' | '@not' | '@prox' proximity.
simple ::= result-set | term.
result-set ::= '@set' string.
term ::= string.
proximity ::= exclusion distance ordered relation which-code unit-code.
exclusion ::= '1' | '0' | 'void'.
distance ::= integer.
ordered ::= '1' | '0'.
relation ::= integer.
which-code ::= 'known' | 'private' | integer.
unit-code ::= integer.
term-type ::= 'general' | 'numeric' | 'string' | 'oid' | 'datetime' | 'null'.
example:
Z> find @prox 0 3 0 2 k 2 information retrievalVia http://www.indexdata.dk/yaz/doc/tools.tkl#PQF
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