import Foundation
let pattern = #"(var preferences = {)[\s\S]*(};)"#
let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines)
let testString = #"""
<!DOCTYPE html>
<html>
<head>
<meta http-equiv='x-ua-compatible' content='IE=edge,chrome=1' />
<meta name="robots" content="nofollow" />
<meta name="robots" content="noindex" />
<meta name="robots" content="noarchive" />
<meta http-equiv="Cache-Control" content="private, no-cache, no-store, must-revalidate, max-age=0" />
<meta http-equiv="Pragma" content="no-cache" />
<meta http-equiv="Expires" content="0" />
<meta http-equiv="Expires" content="Tue, 01 Jan 1980 1:00:00 GMT" />
<meta charset='UTF-8' />
<title>BLANK - FILL WITH CLIENT TITLE</title>
<link href='css/bpdev.css' rel='stylesheet' type='text/css' />
<script src='https://code.jquery.com/jquery-1.11.1.min.js'></script>
<script>!window.jQuery && document.write('<script src="common/js/jquery/jquery-1.11.1.min.js"><\/script>');</script>
<link rel='shortcut icon' href='images/favicon.ico' type='image/x-icon' />
<style id="antiClickjack">body{display:none !important;}</style>
</head>
<body id='userTools'>
<div id='notificationContainer' data-automation='notification_window'></div>
<div id='overlay' class='modalOverlay' data-automation='modal_overlay'></div>
<div id='dialog' class='modal' data-automation='modal_window'></div>
<div id='container'>
<div id='header' data-automation='header'></div>
<div id='loader' data-automation='content_loader'></div>
<div id='content' data-automation='content_area'></div>
</div>
<div id='copyFooter' class='copyright' data-automation='copyright_footer'></div>
<script src='common/js/gateway.framework-min.js' type='text/javascript'></script>
<script src='common/js/gateway.app-min.js' type='text/javascript'></script>
<script type='text/javascript'>
if (self === top) {
var antiClickjack = document.getElementById('antiClickjack');
antiClickjack.parentNode.removeChild(antiClickjack);
} else {
top.location = self.location;
}
(function($) {
var preferences = {
logo : 'images/logo.png',
logoWidth : 250,
logoHeight : 38,
logoAlt : '',
logoLink : '',
logoutURL : '../../pkmslogout'
};
Gateway.startGateway(preferences, true);
}(jQuery));
</script>
</body>
</html>
"""#
let stringRange = NSRange(location: 0, length: testString.utf16.count)
let matches = regex.matches(in: testString, range: stringRange)
var result: [[String]] = []
for match in matches {
var groups: [String] = []
for rangeIndex in 1 ..< match.numberOfRanges {
let nsRange = match.range(at: rangeIndex)
guard !NSEqualRanges(nsRange, NSMakeRange(NSNotFound, 0)) else { continue }
let string = (testString as NSString).substring(with: nsRange)
groups.append(string)
}
if !groups.isEmpty {
result.append(groups)
}
}
print(result)
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 Swift 5.2, please visit: https://developer.apple.com/documentation/foundation/nsregularexpression