Quick sample of Golang and Ruby for string manipulation

gistfile1.txt

#The task is replacing the port number in the URL string

//in golang
import "fmt"
import "strings"

func main() {
        url := "http://localhost:8080/foo/bar"
        fmt.Println(strings.Replace(url, "8080", "8181", -1))
}

#in ruby
url = "http://localhost:8080/foo/bar"
puts url.gsub("8080", "8181")