package main
import (
"regexp"
"fmt"
)
func main() {
var re = regexp.MustCompile(`(?m)<\/?html.*?>`)
var str = `<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:x="urn:schemas-microsoft-com:office:excel" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
<head>
some head info
</head>
<body>
<div > some content with other HTML tags that I want to preserve </div>
<body>
</html>
<html>
<div> another content with other HTML tags that I want to preserve </div>
</html>
<html xmlns="http://www.w3.org/TR/REC-html40">
<head>
some head info
</head>
<body>
<div> some other content with other HTML tags that I want to preserve </div>
<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/