pyflink.table.expression.Expression.regexp_extract

Expression.regexp_extract(regex: Union[str, pyflink.table.expression.Expression[str]], extract_index: Optional[Union[int, pyflink.table.expression.Expression[int]]] = None) → pyflink.table.expression.Expression[str]

Returns a string extracted with a specified regular expression and a regex match group index.

See also

trim_leading(), trim_trailing(), trim(), replace(), char_length, upper_case, lower_case, init_cap, like(), similar(), position(), lpad(), rpad(), overlay(), regexp_replace(), regexp_extract(), substring(), from_base64, to_base64, ltrim, rtrim, repeat()

New in version 1.12.0.