Advanced Search

Please enter a search term. You can also select a "Matching Mode". Instructions for using the advanced "Matching" features are detailed below.

There are the following matching modes available:

ALL, matches all query words (default mode);
ANY, matches any of the query words;
PHRASE, matches query as a phrase, requiring perfect match;
BOOLEAN, matches query as a boolean expression (see below).
EXTENDED, matches query as an expression search engine (see below).

Boolean query syntax - Boolean queries allow the following special operators to be used:

explicit operator AND:
```
hello & world
```
operator OR:
```
hello | world
```
operator NOT:
```
hello -world  hello !world  
```
grouping:
```
( hello world )
```
Here\'s an example query which uses all these operators: ( cat -dog ) | ( cat -mouse)

Extended query syntax - The following special operators and modifiers can be used when using the extended matching mode:

operator OR:
```
hello | world
```
operator NOT:
```
hello -world  hello !world  
```
field search operator:
```
@title hello @body world
```
field position limit modifier:
```
@body[50] hello
```
multiple-field search operator:
```
@(title,body) hello world
```
all-field search operator:
```
@* hello
```
phrase search operator:
```
"hello world"
```
proximity search operator:
```
"hello world"~10
```
quorum matching operator:
```
"the world is a wonderful place"/3
```
strict order operator (aka operator "before"):
```
aaa << bbb << ccc
```
exact form modifier:
```
raining =cats and =dogs
```
field-start and field-end modifier:
```
^hello world
```