# groonga - An open-source fulltext search engine and column store.

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# 7.8.9. `TokenBigramSplitSymbolAlphaDigit`

## 7.8.9.1. Summary

`TokenBigramSplitSymbolAlphaDigit` is similar to TokenBigram. The difference between them is symbol, alphabet and digit handling.

## 7.8.9.2. Syntax

`TokenBigramSplitSymbolAlphaDigit` hasn’t parameter:

    TokenBigramSplitSymbolAlphaDigit

## 7.8.9.3. Usage

`TokenBigramSplitSymbolAlphaDigit` tokenizes symbols, alphabets and digits by bigram tokenize method. It means that all characters are tokenized by bigram tokenize method:

Execution example:

    tokenize TokenBigramSplitSymbolAlphaDigit "100cents!!!" NormalizerAuto
    # [
    #   [
    #     0,
    #     1337566253.89858,
    #     0.000355720520019531
    #   ],
    #   [
    #     {
    #       "position": 0,
    #       "force_prefix": false,
    #       "value": "10"
    #     },
    #     {
    #       "position": 1,
    #       "force_prefix": false,
    #       "value": "00"
    #     },
    #     {
    #       "position": 2,
    #       "force_prefix": false,
    #       "value": "0c"
    #     },
    #     {
    #       "position": 3,
    #       "force_prefix": false,
    #       "value": "ce"
    #     },
    #     {
    #       "position": 4,
    #       "force_prefix": false,
    #       "value": "en"
    #     },
    #     {
    #       "position": 5,
    #       "force_prefix": false,
    #       "value": "nt"
    #     },
    #     {
    #       "position": 6,
    #       "force_prefix": false,
    #       "value": "ts"
    #     },
    #     {
    #       "position": 7,
    #       "force_prefix": false,
    #       "value": "s!"
    #     },
    #     {
    #       "position": 8,
    #       "force_prefix": false,
    #       "value": "!!"
    #     },
    #     {
    #       "position": 9,
    #       "force_prefix": false,
    #       "value": "!!"
    #     },
    #     {
    #       "position": 10,
    #       "force_prefix": false,
    #       "value": "!"
    #     }
    #   ]
    # ]