package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`<a.*?href="\K[^"]+`)
var str = `<h1><a href="http://www.website.com/article/slug-that-has-undetermined-amount-of-hyphens/12345">Whatever</a></h1>
<p>Here is a url as plain text: http://www.website.com/article/sluggy-slug</p>
<div>Here is a qualifying link: <a href="http://www.website.com/article/slugger-sluggington-jr/666">Whatever</a></div>`
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/