package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)\b(0*(25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(0*(25[0-5]|2[0-4]\d|[01]?\d\d?))\b`)
var str = `1.1.1.1
2.2.2.2
10.10.10.10
100.100.100.100
125.125.125.125
250.250.250.250
255.255.255.255
0101.0101.0101.0101
00000102.00000102.00000102.00000102
0.0.0.0
256.256.256.256
1234.1234.1234.1234
`
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/