package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)From:[^@\r\n]+@(\w{2,}\.)*+(?!(com|net|gov|edu|org)[^\w\.]?)`)
var str = `From: user.name@mail.com
From: username@sub.mail.com
From: username@sub.com
From: username@sub.io
From: username@sub.blurdy
From: username@sub.example`
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/