cmd := allot.NewCommand("revert <commits:integer> commits on <project:string> at (stage|prod)")
match, err := cmd.Match("revert 12 commits on example at prod")

if (err != nil)
  commits, _ = match.Integer("commits")
  project, _ = match.String("project")
  env, _ = match.Match(2)

  fmt.Printf("Revert \"%d\" on \"%s\" at \"%s\"", commits, project, env)
} else {
  fmt.Println("Request did not match command.")
}