package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)<([^>\s]+)[^>]*>(?:\s*(?:<br \/>| | | | | | | )\s*)*<\/\1>`)
var str = `<div>
<h1>This is a html structure.</h1>
<p>This is not empty.</p>
<p></p>
<p><br /></p>
<p> <br />  </p>
<p> </p>
<p> </p>
</div>`
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/