package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^(?:[4-9]|\d\d+)(?:\.\d+){3}|3\.[2-9]\d(?:\.\d+){2}|3\.1[1-9](?:\.\d+){2}|3\.10\.[1-9]\d?\.\d+$`)
var str = `3.10.1.0
3.10.2.0
3.10.13.1
3.11.0.0
3.11.2.0
3.20.0.0
4.0.0.0
5.0.0.0
10.0.0.0
3.10.0.0
3.9.0.0
3.1.0.0
3.0.0.0
2.0.0.0
1.0.0.0`
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/