package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?im)((?:ithelpdesk(?:|\d+)|deskserverithelp|itservicedeskhelp|ithelpservice(?:|\d+))@gmail.com)`)
var str = `ithelpdesk458@gmail.com
ithelpdesk@gmail.com
deskserverithelp@gmail.com
itservicedeskhelp@gmail.com
`
var substitution = ""
fmt.Println(re.ReplaceAllString(str, substitution))
}
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/