package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^127.0.0.1|168\.192\.([0-9]|[1-9][0-9]|1[0-1][0-9])\.([1-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$`)
var str = `168.192.2.100
168.192.109.1
168.192.0.1
168.192.0.25
168.192.255.2
168.192.110.1
168.192.100.1
168.192.210.1
168.192.256.4
168.192.0.255
168.192.200.255
168.192.19.
168.192.34.10
168.192.100.10
168.192.51.200
168.192.81.9
168.192.111.133
168.192.112.133
168.192.111.256
168.192.111.216
168.192.111.236
168.192.110.1
168.192.111.100
168.192.110.200
168.192.110.300
168.192.110.1
168.192.110.1
168.192.1.9
168.192.100.0
268.
2.
168.1.
1.^168\.192\.([1-9]|[1-9][0-9]|[1-2][0-4][0-9]|25[0-5])\.([1-9]|[1-9][0-9]|[1-2][0-4][0-9]|25[0-5])$`
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/