Question

How to replace all HTML tags from <anything> to \n<anything> and </anything> to <anything>\n

var text = "<anything>welcome</anything><anything>Hello</anything>";

result

var text = "\n<anything>welcome</anything>\n\n<anything>Hello</anything>\n";

This code will help you (match all tags)

</?\w+((\s+\w+(\s*=\s*(?:".*?"|'.*?'|[^'">\s]+))?)+\s*|\s*)/?>

Answer 1

Try this:

str.replace(/<(\/?)[a-zA-Z]+(?:[^>"']+|"[^"]*"|'[^']*')*>/g, function($0, $1) {
    return $1 === "/" ? $0+"\n" : "\n"+$0;
})