Page tree

Versions Compared


  • This line was added.
  • This line was removed.
  • Formatting was changed.

This section describes the different ways of searching in the application.Soutron provides a comprehensive search across the the application. This can be performed in the Search Portal, in the OPAC or using the API (Application Program Interface) 

Boolean operators

To search within a single field or in the All Fields Search and/or other specific fields in Advanced Search, you can use the Boolean  Boolean operators AND, OR, NOT . They are case-sensitive and need to be entered in upper case.can be applied. 


Prior to Version 4.0.0 note: the operators are not case-were case-sensitive but are no longer case sensitive.

AND operator
For this operator, you can

use the word




followed by a space or use the



" symbol.

symbol to narrow down a set of results

For example, to find records containing both of the words Concorde and Supersonic,

you could

enter either:

  • Concorde AND Supersonic
  • Concorde Supersonic
  • Concorde & Supersonic

All of the above will return the same number of results.

OR operator
This operator uses

use the word




between words


to increase the number of results that might be returned

For example, to find records containing either the word Concorde or the word Supersonic, enter:

  • Concorde OR Supersonic
NOT operator
This operator uses

use the word




between words.

For example, to find records containing the word Concorde but not the word Supersonic, enter:

  • Concorde NOT Supersonic

To use Boolean operators across fields, select AND, OR or NOT from the drop-down lists next to the appropriate fields. Note that this is only available in Advanced Search.

Other search syntax

The following additional search methods are also available:

Wild card / truncation

The truncation / wild card symbol is the exclamation mark.

For example, to search for all variants of Market enter Market!

Character replace

If you are not sure of the spelling of a word or want to find similar words

you can

use an asterisk * within a word.

For example, to search for both Organisation and Organization enter Organi*ation

Phrase search

To search for an exact phrase, surround


search words with double quotes.

For example, to search for Supersonic Transport as a phrase i.e. where the words appear together, enter "Supersonic Transport"

Combination search
You can combine

Combine Phrase and Boolean searches. For example, to search for the phrase "Supersonic Transport" and for records where the word Concorde appears,

you can



the search in any of the following formats:

  • "Supersonic Transport" AND Concorde
  • "Supersonic Transport" Concorde
  • "Supersonic Transport" & Concorde
Exact Search

This operator finds an exact match only, use the equals sign, for example:

  • ="insurance law"