^(?2)({([ \n\r\t]*)(((?9)(?2):((?2)(?1)(?2)))(,(?2)(?4))*)?}|\[(?2)((?1)(?2)(,(?5))*)?\]|true|false|(\"([^"\\\p{Cc}]|\\(["\\\/bfnrt]|u[\da-fA-F]{4}))*\")|-?(0|[1-9]\d*)(\.\d+)?([eE][-+]?\d+)?|null)(?2)$
origin: https://twitter.com/Fish_CTO/status/1591699564280819712