pyflink.table.expression.Expression.regexp_extract

Expression.regexp_extract(regex: str | Expression[str], extract_index: int | Expression[int] | None = None) → 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(), json_quote(), json_unquote()

Added in version 1.12.0.