Exactly default standard analyzer is meant for text analysis. ??? is not a word
either a number so it's removed.
If you need to analyze that, you should try to use another analyzer like:
http://www.elasticsearch.org/guide/en/elasticsearch/reference/current/analysis-whitespace-analyzer.html#analysis-whitespace-analyzer
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David Pilato | Technical Advocate | elasticsearch.com
david.pil...@elasticsearch.com
@dadoonet | @elasticsearchfr | @scrutmydocs
Le 27 octobre 2014 à 12:53:01, Mike Topper (top...@gmail.com) a écrit:
Hello,
when trying a match query on a string field to match the string '???' i am
getting nothing back from elasticsearch.
It seems like the standard analyzer is just stripping this string out when
tokenizing. probably because its treating a ? as a end of word and filtering it
out?
when doing _analyze?analyzer=standard&pretty' -d 'this is a ??? test'
I get back the response below which seems to confirm that. Is there any way
where I could still be filtering out "?" at the end of words, but if there are
multiple '??' it doesn't strip them?
{
"tokens" : [ {
"token" : "this",
"start_offset" : 0,
"end_offset" : 4,
"type" : "<ALPHANUM>",
"position" : 1
}, {
"token" : "is",
"start_offset" : 5,
"end_offset" : 7,
"type" : "<ALPHANUM>",
"position" : 2
}, {
"token" : "a",
"start_offset" : 8,
"end_offset" : 9,
"type" : "<ALPHANUM>",
"position" : 3
}, {
"token" : "test",
"start_offset" : 15,
"end_offset" : 19,
"type" : "<ALPHANUM>",
"position" : 4
} ]
}
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