# REX Extract key/value pairs out of text Using regex named captures to extract key value information out of text streams ## Supported Output Formats * [csv](https://tools.ietf.org/html/rfc4180) * [csv-no-header](https://tools.ietf.org/html/rfc4180) * [tsv](https://tools.ietf.org/html/rfc4180) * [tsv-no-header](https://tools.ietf.org/html/rfc4180) * [json](https://tools.ietf.org/html/rfc7159) * ldjson (line delimited json) * [json-seq](https://tools.ietf.org/html/rfc7464)