package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?i)(?<=^|\s)(@[\w.]+)(?<!\.)`)
var str = `Hello, @username
Hello, @username.
Hello, @user.name.
Go to https://google.com/@username
@username says hello.
@user.name says hello.
`
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/