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I am currently getting response error in html format. It is of type string.
"<!DOCTYPE html>\r\n
<html>
<head>
<title>Data already exists</title>
</head>
</html>"
I wanted to retrieve the content inside the <title>, for above instance "Data already exists". Can anybody suggest a appropriate regular expression to capture that text.
Please any help is appreciated!
393
First, you can do it without regex, by creating a dummy element to inject the HTML:
var s = "your_html_string";
var dummy = document.createElement("div");
dummy.innerHTML = s;
var title = dummy.getElementsByTagName("title")[0].innerText;
But if you really insist on using regex:
var s = "your_html_string";
var title = s.match(/<title>([^<]+)<\/title>/)[1];
Here's a DEMO illustrating both approaches.
172
The very basics of parsing html tags in regex is this. http://jsbin.com/oqivup/1/edit
var text = /<(title)>(.+)<\/\1>/.exec(html).pop();
But for more complicated stuff I would consider using a proper parser.
27
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