When using UTF-8 strings, the function is extremely toxic and should be urgently replaced by string::get_token_count:

1. Change the function name to string::get_token_count.
   Deprectated:
   Please use the string::get_token_count function instead.

   When using UTF-8 strings, the function is extremely toxic and should be urgently replaced by string::get_token_count:

   1. Change the function name to string::get_token_count.
   2. Change the single quotes around the delimiter to double quotes.

   Deprecated

   Please use the string::get_token_count function instead.

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