package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(.*)/administrator`)
var str = `http://m1.aa.example.com/administrator
http://m2.aa.example.com/administrator
http://m5.aa.example.com/administrator
http://m1.bb.example.com/administrator
http://m2.bb.example.com/administrator`
var substitution = "$1"
fmt.Println(re.ReplaceAllString(str, substitution))
}
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/