package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`src:\s*(\d{1,3}(?:\.\d{1,3}){3})\ndst:\s*(\d{1,3}(?:\.\d{1,3}){3})(?:\n(?!severity).+)*?\nseverity:\s*(.+)`)
var str = `src: 10.4.180.25
dst: 34.23.21.10
natsrc: 20.160.129.5
natdst: 34.33.21.10
more lines
severity: critical
more lines`
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/