package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m).*martian.*source.*\n.*`)
var str = `Jan 10 11:08:21 server kernel: martian source 192.168.12.197 from 192.168.12.198, on dev eth0
Jan 11 10:12:45 server kernel: ll header: 08:00:00:00:45:00:01:00:00:00:40:00:40:11:9f:11:c0:a8:0c:c6:c0:a8:0c:c5
Jan 12 10:12:45 server kernel: lo: Disabled Priacy Extensions
Jan 13 10:12:45 server kernel: lo: Disabled Priacy Extensions
Jan 14 10:12:45 server kernel: lo: Disabled Priacy Extensions
Jan 15 10:12:45 server kernel: lo: Disabled Priacy Extensions
Jan 16 10:12:45 server kernel: lo: Disabled Priacy Extensions
Jan 17 10:12:45 server kernel: lo: Disabled Priacy Extensions
Jan 18 10:12:45 server kernel: lo: Disabled Priacy Extensions
Jan 19 10:12:45 server kernel: lo: Disabled Priacy Extensions
Jan 20 10:12:45 server kernel: lo: Disabled Priacy Extensions
Jan 21 10:12:45 server kernel: lo: Disabled Priacy Extensions
Jan 22 10:12:45 server kernel: lo: Disabled Priacy Extensions
Jan 23 10:12:45 server kernel: lo: Disabled Priacy Extensions
Jan 23 10:12:45 server kernel: lo: Disabled Priacy Extensions
Jan 24 10:12:45 server kernel: lo: Disabled Priacy Extensions
Jan 25 11:08:21 server kernel: martian source 192.168.12.197 from 192.168.12.198, on dev eth0
Jan 25 10:12:45 server kernel: ll header: 08:00:00:00:45:00:01:00:00:00:40:00:40:11:9f:11:c0:a8:0c:c6:c0:a8:0c:c5
Jan 26 11:08:21 server kernel: martian source 192.168.12.197 from 192.168.12.198, on dev eth0
Jan 26 10:12:45 server kernel: ll header: 08:00:00:00:45:00:01:00:00:00:40:00:40:11:9f:11:c0:a8:0c:c6:c0:a8:0c:c5
Jan 27 10:12:45 server kernel: lo: Disabled Priacy Extensions
Jan 28 11:08:21 server kernel: martian source 192.168.12.197 from 192.168.12.198, on dev eth0
Jan 28 10:12:45 server kernel: ll header: 08:00:00:00:45:00:01:00:00:00:40:00:40:11:9f:11:c0:a8:0c:c6:c0:a8:0c:c5`
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/