Apostrophe token filteredit
Strips all characters after an apostrophe, including the apostrophe itself.
This filter is included in Elasticsearch’s built-in Turkish language analyzer. It uses Lucene’s ApostropheFilter, which was built for the Turkish language.
Exampleedit
The following analyze API request demonstrates how the apostrophe token filter works.
GET /_analyze
{
"tokenizer" : "standard",
"filter" : ["apostrophe"],
"text" : "Istanbul'a veya Istanbul'dan"
}
The filter produces the following tokens:
[ Istanbul, veya, Istanbul ]
Add to an analyzeredit
The following create index API request uses the apostrophe token filter to configure a new custom analyzer.
PUT /apostrophe_example
{
"settings": {
"analysis": {
"analyzer": {
"standard_apostrophe": {
"tokenizer": "standard",
"filter": [ "apostrophe" ]
}
}
}
}
}