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The Regular Expression search has the following characteristics:

  • This search is searches only lower cased text. 
  • It searches on the untokenized lower cased property value.  
  • Parsing is done with Lucene's StandardAnalyzerAnalyzers are not applied to the expression.  However, the expression is lower cased (this is an explicit step done outside of Lucene by LexEVS code).

Example of use:

The following examples are based on the Automobiles coding scheme.

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Lucene query: untokenizedLCPropertyValue:automobi.*

Complete query:

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*

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Result: 1 result

  • entity code: A0001
  • entity description: Automobile

Example 2:
Search string: .*utomobile

Lucene query: untokenizedLCPropertyValue:.*utomobile

Complete query:

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:

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untokenizedLCPropertyValue:.*utomobile

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Result: 1 result

  • entity code: A0001
  • entity description: Automobile

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