Hello
I need elasticsearch return considerably different results when searched
for "c#" and "c++".
After going through documenation/stackoverflow and few trail and errors, I
implemented custom analyzer that will consider # and + as ALPHANUM.
Now I am getting better results. But, few of my results even now contain
"c++" WITHOUT "c#" text when searched with "c#".
Below is my analyzer:
"settings": {
"analysis": {
"filter": {
"hash_filter": {
"type": "word_delimiter",
"type_table": [
"# => ALPHANUM",
"+ => ALPHANUM",
". => ALPHANUM"
],
"split_on_numerics":"false"
}
},
"analyzer": {
"hash_analyzer": {
"type": "custom",
"tokenizer": "whitespace",
"filter": [
"lowercase",
"hash_filter"
],
"char_filter": "html_strip"
}
}
}
Below is the dummy mapper:
"mapping": {
"myIndex": {
"_all": {
"enabled": "true",
"index": "analyzed"
},
"properties": {
"description": {
"type": "string",
"index": "analyzed",
"analyzer": "hash_analyzer"
}
}
}
}
Please provide me tips on how to improve so that I can get better results.
Thank you 
Sri Harsha
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