github.com/honeycombio/honeytail@v1.9.0/parsers/regex/README.md (about)

     1  Golang `regexp` package uses the [RE2 syntax](https://github.com/google/re2/wiki/Syntax).
     2  
     3  Example CLI usage (from honeytail root)
     4  ```
     5  honeytail -p regex -k $HONEYTAIL_WRITEKEY \
     6    -f some/path/system.log \
     7    --dataset 'MY_TEST_DATASET' \
     8    --backfill \
     9    --regex.line_regex="(?P<time>\d{2}:\d{2}:\d{2}) (?P<field1>\w+)" \
    10    --regex.line_regex="(?P<foo>\w+)" \
    11    --regex.timefield="time" \
    12    --regex.time_format="%H:%M:%S"
    13  ```