package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?<!<div class=\"ignore\">)(\n<h([1-6]{1})[^>]*)>.*<\/h\2>`)
var str = `<div class="wrapper">
<h2>This is a header</h2>
<h2>This is one too/h2>
<h4>Here's one</h4>
<div class="ignore">
<h5>I'm one in here too</h5>
</div>
</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/