package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)(\<)([A-Za-z0-9_!]+)(.*?)(\>)`)
var str = `<html>
<body>
<h1>Aqui cabeçalho do arquivo</h1>
<p>Meu parágrafo da página web.</p>
<p>Meu segundo parágrafo.</p>
</body>
</html>
<p>
<html></html>
<!DOCTYPE>
<input href=""/>
<button type="submit"></button>
<button></button>
Aenean lacinia bibendum <a href="/life">life</a> sed consectetur. <a href="/work">Work</a> quis risus eget urna mollis ornare <a href="/about">about</a> leo.
<br/>`
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/