package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)(?<=(?!(https*://)*((127)|(192\.168)|(0\.0\.0\.0)))(?:(?:https*://)|^))(?:(?:2[0-5][0-5]|1[0-9]{2}|[0-9]{1,2})\.(?:2[0-5][0-5]|1[0-9]{2}|[0-9]{1,2})\.(?:2[0-5][0-5]|1[0-9]{2}|[0-9]{1,2})\.(?:2[0-5][0-5]|1[0-9]{2}|[0-9]{1,2}))(?=[^\d\s]|$)`)
var str = `http://127.0.0.1
127.0.0.1
http://192.168.0.155
192.168.0.155
https://0.0.0.0
25.61.12.6
http://193.168.0.155
http://148.251.8.11
115.148.63.10`
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/