How to change the operator characters @ # % ~ & : = used in search requests
Remarks
Use Options.MacroChar, FuzzyChar, PhonicChar, StemmingChar, SynonymChar, WeightChar, and MatchDigitChar to change these symbols from the defaults. The defaults are:
See Search Features for more information on the meaning of each special character. The following special characters in search requests cannot be redefined: * ? ( ) "
The character specified must be a single-byte punctuation character, in the range from 33 to 127, that is not a searchable letter.
You can also set a character to a space to disable the associated feature. For example, if you set SynonymChar to a space, synonym searching will be disabled and the & character can be used for other purposes.
The operator characters can be changed at search time and do not affect indexing.
Notes:
(1) The prefix used to identify regular expressions is a doubling of the PhonicChar (##).
(2) The mark used to add a field name in front of a word is a doubling of the WeightChar (::)
(3) The mark used to express ranges is a doubling of the StemmingChar (~~).
(4) Characters must be single-byte punctuation characters.
(5) ! cannot be used as the PhonicChar, FuzzyChar, or MatchDigitChar.