package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^(https:\/\/)*(localhost|airhelp.com)\/(?!en|nl|pt).*\/.*$`)
var str = `/en/airlines/
localhost/en-gb/airlines/
localhost/en-gb/
localhost/pl/
localhost/nl/
localhost/pt/
localhost/pt-br/
airhelp.com/pl/
airhelp.com/en/
airhelp.com/en-gb/
airhelp.com/pt/
airhelp.com/pl/airlines/dupa
https://localhost/en/
https://localhost/en-gb/
https://localhost/pl/
https://localhost/nl/
https://localhost/pt/
https://localhost/pt-br/
https://airhelp.com/pl/
https://airhelp.com/en/
https://airhelp.com/en-gb/
https://airhelp.com/pt/`
for i, match := range re.FindAllString(str, -1) {
fmt.Println(match, "found at index", i)
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Golang, please visit: https://golang.org/pkg/regexp/