package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?<=<w-block-content[\s\S]*?<span[\s\S]*?<div[\s\S]*?>)[\s\S]*?(?=<\/w-block-content>)`)
var str = `
<w-block-content id="A">
CONTENT OF #A
<span id="B">
CONTENT OF #B
<div id="C">
<p>CONTENT OF #C</p>
</div>
CONTENT OF #B
</span>
CONTENT OF #A
</w-block-content>
`
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/