package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)(?=(<picture>))(\w|\W)*(?<=<\/picture>)`)
var str = `<!DOCTYPE html>
<html lang="en">
<head>
<title>Title</title>
</head>
<body>
<picture>
<source srcset="mobile.png" ></source>
<source srcset="tablet.png" ></source>
<source srcset="desktop.png" ></source>
<img srcset="default.png">
</picture>
</body>
</html>`
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/