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ConfiForms plugin uses 'Lucene like' syntax for expressions (however not everything, but the basics are supported), supports grouping using brackets (at the moment no support for inner brackets) parenthesis. Supports filtering for expressions that start with a wild-card. Supports filtering per field as well as free text search (filter to match against any field value).
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Valid example: (f1:*success AND f2:>[today]-1) OR (!f3:[empty]) - matches records with field values having 'success' and where f2 field value is after yesterday or where f3 field value is not emptyInvalid example: (f1:*success AND (f2:>[yesterday] OR (f3:accepted)). As ConfiForms does not support inner brackets in expressions (yet)
Reserved words to use in expressions:
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