Am 29.01.18 um 18:05 schrieb Erick Erickson:
Try searching with lowercase the word and. Somehow you have to allow
the parser to distinguish the two.

Oh yeah, the biggest unsolved problem in the ~80 years history of programming languages... NOT ;-)

You _might_ be able to try "AND~2" (with quotes) to see if you can get
that through the parser. Kind of a hack, but....

Well, the parser swallows that, but it's not a fuzzy search then anymore.

There's also a parameter (depending on the parser) about lowercasing
operators, so if and~2 doesn't work check thatl

And if both appear?

Well, thanks for your ideas - of course you are not the one to blame.


On Mon, Jan 29, 2018 at 8:32 AM, David Frese
<david.fr...@active-group.de> wrote:
Hello everybody,

how can I formulate a fuzzy query that works for an arbitrary string, resp.
is there a formal syntax definition somewhere?

I already found by by hand, that

field:"val"~2

Is read by the parser, but the fuzzyness seems to get lost. So I write

field:val~2

Now if val contain spaces and other special characters, I can escape them:

field:my\ val~2

But now I'm stuck with the term AND:

field:AND~2

Note that I do not want a boolean expression here, but I want to match the
string AND! But the parser complains:

"org.apache.solr.search.SyntaxError: Cannot parse 'field:AND~2': Encountered
\" <AND> \"AND \"\" at line 1, column 4.\nWas expecting one of:\n
<BAREOPER> ...\n    \"(\" ...\n    \"*\" ...\n    <QUOTED> ...\n    <TERM>
...\n    <PREFIXTERM> ...\n    <WILDTERM> ...\n <REGEXPTERM> ...\n    \"[\"
...\n    \"{\" ...\n    <LPARAMS> ...\n \"filter(\" ...\n    <NUMBER> ...\n
",



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David Frese
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