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Searches for a Phrase in text using the regular lucene Lucene query parser.  The only addition is a set of escaped quotation marks at the beginning and end of the phrase.  It could be done in the regular Lucene Query by the user.  No special indexing.

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Equivalent to ' term* ' - in other words - a trailing wildcard on a term (but no leading wild card) and the term can appear at any position.   Searches on Property Value property value only.

Leading and Trailing Wild Card

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Exact match (case insensitive).  Requires it's own indexed value, a lower case, untokenized Property Valueproperty value.

SubString

Search based on a \"*some sub-string here*\". Functions much like the Java String.indexOf method.  This requires two indexed fields to manage this without significant overhead.  One field is the tokenized Property Value property value which causes no extra indexing, the other is reversed which requires an extra indexed field.

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Works the same as contains but uses the literal Property Value property value enabling searches on special characters. 

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Equivalent to 'term*' (case insensitive)  This runs against the same indexed Property Value property value as exactMatch so no extra indexing is needed. The query may require increased overhead however.

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