Ngram Analyzer cannot detect "^"

Hi All,

I have created an index with Ngram Analyzer that can search phrases. I also use the Ngram Tokenizer with "token_chars": ["letter","digit","punctuation","symbol"].

Everything looks OK but I hit a problem when I search a phrase with "^" char. It cannot find the phrase but without "^", it can be found.

Is the "^" included as symbol or punctuation? If not, how can I include it?


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