Standard Analyzer Weird Result

elastic.md

########

GET _analyze
{
  "text": ["document.txt"], 
  "analyzer": "standard"
}

{
  "tokens": [
    {
      "token": "document.txt",
      "start_offset": 0,
      "end_offset": 12,
      "type": "<ALPHANUM>",
      "position": 0
    }
  ]
}


#########


GET _analyze
{
  "text": ["document1.txt"], 
  "analyzer": "standard"
}

{
  "tokens": [
    {
      "token": "document1",
      "start_offset": 0,
      "end_offset": 9,
      "type": "<ALPHANUM>",
      "position": 0
    },
    {
      "token": "txt",
      "start_offset": 10,
      "end_offset": 13,
      "type": "<ALPHANUM>",
      "position": 1
    }
  ]
}