You have to escape all special characters. Even [ to \[
Have a look here http://lucene.apache.org/java/2_4_0/queryparsersyntax.html
Uwe
2009/7/1 Ben <b...@autonomic.net>
> I only just noticed that this is an exception being thrown by the
> lucene.queryParser. Should I be mailing on the lucene list, or is it ok
> here?
>
> I'm beginning to wonder if the "fq" can handle the type of character
> exclusion I'm trying in the RegExp.
> Escaping the string also doesn't work :
>
> Cannot parse 'vector:_\*[\^_\]\*_[\^_\]\*_[\^_\]\*': Encountered "]" at
> line 1, column 15.
> Was expecting one of:
> "TO" ...
> <RANGEIN_QUOTED> ...
> <RANGEIN_GOOP> ...
>
> Ben wrote:
>
>>
>> Ben wrote:
>>
>>> The exception SOLR raises is :
>>>
>>> org.apache.lucene.queryParser.ParseException: Cannot parse
>>> 'vector:_*[^_]*_[^_]*_[^_]*': Encountered "]" at line 1, column 12.
>>> Was expecting one of:
>>> "TO" ...
>>> <RANGEIN_QUOTED> ...
>>> <RANGEIN_GOOP> ...
>>> Ben wrote:
>>>
>>>> Passing in a RegularExpression like "[^_]*_[^_]*" (e.g. matching
>>>> anything with an underscore in the string) using some code like :
>>>>
>>>> ...
>>>> parameters.add("fq", "vector:[^_]*_[^_]*");
>>>> ...
>>>>
>>>> seems to cause problems for SOLR, I assume because of the [ or ^
>>>> character.
>>>>
>>>> Can somebody please advise how to handle character exclusion in such
>>>> searches?
>>>>
>>>> Any help or pointers are much appreciated!
>>>>
>>>> Thanks
>>>>
>>>> Ben
>>>>
>>>
>>>
>>
>
