<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<script>
function parse()
{
var str = document.getElementById("source").value;
var myRegexp = /<img[^>]*src="([^"]*)"/g;
match = myRegexp.exec(str);
while (match != null) {
// matched text: match[0]
// match start: match.index
// capturing group n: match[n]
console.log(match[1]);
match = myRegexp.exec(str);
}
}
</script>
</head>
<body>
<textarea id="source" rows="30" cols="65" name="text"></textarea>
<input type="submit" value="extract" onclick="parse()">
<textarea id="result" cols="65" rows="30"></textarea>
</body>
</html>