$ go install github.com/jgautheron/goconst/cmd/goconst@latest
$ goconst ./...

Usage:
  goconst ARGS <directory> [<directory>...]
Flags:
  -ignore            exclude files matching the given regular expression
  -ignore-strings    exclude strings matching the given regular expression
  -ignore-tests      exclude tests from the search (default: true)
  -min-occurrences   report from how many occurrences (default: 2)
  -min-length        only report strings with the minimum given length (default: 3)
  -match-constant    look for existing constants matching the strings
  -find-duplicates   look for constants with identical values
  -eval-const-expr   enable evaluation of constant expressions (e.g., Prefix + "suffix")
  -numbers           search also for duplicated numbers
  -min               minimum value, only works with -numbers
  -max               maximum value, only works with -numbers
  -output            output formatting (text or json)
  -set-exit-status   Set exit status to 2 if any issues are found
  -grouped           print single line per match, only works with -output text
Examples:
  goconst ./...
  goconst -ignore "yacc|\.pb\." $GOPATH/src/github.com/cockroachdb/cockroach/...
  goconst -min-occurrences 3 -output json $GOPATH/src/github.com/cockroachdb/cockroach
  goconst -numbers -min 60 -max 512 .
  goconst -min-occurrences 5 $(go list -m -f '{{.Dir}}')
  goconst -eval-const-expr -match-constant . # Matches constant expressions like Prefix + "suffix"