✘ error: unable to parse flags
 reason: invalid JSON
 |        reason: lexical error: invalid char in json text.
 |        |                                             {abc
 |        |                            (right here) ------^
 |        --> flags:1
 |        | {abc
 --> command-option:1
 | ;SELECT * from regexp_capture_into_json('foo=0x123e;', '(?<key>\w+)=(?<value>[^;]+)', '{abc')