import Foundation
let pattern = #"\bcontainer\W+(?:\w+\W+){1,6}?switcher\b"#
let regex = try! NSRegularExpression(pattern: pattern)
let testString = ##"""
<ul class="secondary">
<li><a href="/all/">all code snippets</a>/</li>
<li><a href="/popular/">popular code snippets</a>/</li>
<li><a href="/yours/">your code snippets</a></li>
</ul>
</li>
<li class="developer">
<a href="/developer/">extras</a>
</li>
<li class="blog"><a href="/blog/">blog</a></li>
<li class="about"><a href="/about/">about snipplr</a></li>
</ul>
</div>
</div>
</div>
<div id="subnav">
<div class="container">
<div id="switcher">
<span>Change style:</span>
<ul>
<li><a class="styleswitch" href="#" onclick="setActiveStyleSheet('big'); return false;">Big</a> / </li>
<li><a class="styleswitch" href="#" onclick="setActiveStyleSheet('small'); return false;">Small</a></li>
"""##
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