Modifiers

Some characters are recognized as search modifiers when found immediately after the closing double quote of a phrase, as in "some term"modifierchars. The actual "phrase" can be a single term of course. Supported modifiers:

  • l can be used to turn off stemming (mostly makes sense with p because stemming is off by default for phrases, but see also x further down).

  • o can be used to specify a "slack" for both phrase and proximity searches: the number of additional terms that may be found between the specified ones. If o is followed by an integer number, this is the slack, else the default is 10. The default slack (with no o) is 0 for phrase searches and 10 for proximity searches.

  • p can be used to turn an ordered phrase search into an unordered proximity one. Example: "order any in"p. You can find a little more detail about phrase and proximity searches here.

  • s (1.22) can be used to turn off synonym expansion, if a synonyms file is in place.

  • x (1.33.2) will enable the expansion of terms inside a phrase search (the default is for phrases to be searched verbatim). Also see the stemexpandphrases in the configuration section, for changing the default behaviour.

  • A weight can be specified for a query element by specifying a decimal value at the start of the modifiers. Example: "Important"2.5.

The following only make sense on indexes which are capable of case and diacritics sensitivity (not the default):

  • C will turn on case sensitivity.

  • D will turn on diacritics sensitivity (if the index supports it).

  • e (explicit) will turn on diacritics sensitivity and case sensitivity, and prevent stem expansion.

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