package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)^\d+(?:\.\d+){3}\|(?!(?:[1-9]\d{0,3}|[1-5]\d{4}|6[0-4]\d{3}|65[0-4]\d{2}|655[0-2]\d|6553[0-5])$)(.*)$`)
var str = `8.8.8.8|0
(bad: port 0 not allowed)
8.8.8.8|1
(good)
8.8.8.8|65536
8.8.8.8|6553
(bad: port > 65535)
8.8.8.8|dawda
(bad: char)`
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/