const regex = /<body>(.*?)<\/body>/gism;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('<body>(.*?)<\\\/body>', 'gism')
const str = `
<!doctype html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="">
<meta name="author" content="">
<link href="http://localhost//themes/default/../dashboard/css/bootstrap.min.css" rel="stylesheet" type="text/css" />
<link rel="stylesheet" type="text/css" href="http://localhost//assets/cache/default_product_groups_product_groups_mod.css" media="screen" />
<link rel="shortcut icon" href="http://localhost//favicon.ico">
</head>
<body>
<p dir='rtl'>
<a target='_blank' href='https://zuz.mx/2e5y'>לרכישה מכאן במחיר 37.01\$</a>
</p>
<input id="base_url_special" type="hidden" name="base_url_special" value="http://localhost//"/>
</body>
<script src="http://localhost//themes/default/js/jquery.min.js" type="text/javascript"></script>
<script src="http://localhost//assets/cache/default_fetchPG_product_groups_mod.js?_dt=1492617362" type="text/javascript"></script>
<script src="http://localhost//themes/default/../dashboard/js/bootstrap.min.js" type="text/javascript"></script>
</body>
</html>`;
// Reset `lastIndex` if this regex is defined globally
// regex.lastIndex = 0;
let m;
while ((m = regex.exec(str)) !== null) {
// This is necessary to avoid infinite loops with zero-width matches
if (m.index === regex.lastIndex) {
regex.lastIndex++;
}
// The result can be accessed through the `m`-variable.
m.forEach((match, groupIndex) => {
console.log(`Found match, group ${groupIndex}: ${match}`);
});
}
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 JavaScript, please visit: https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Regular_Expressions