import Foundation
let pattern = #"<a[^>]*href\s*=(?<HRef>[^>]+)>"#
let regex = try! NSRegularExpression(pattern: pattern)
let testString = #"""
<html><head>
<title>Simple</title>
</head>
<body>
<div id="Content" style="padding: 5px;">
<p><a href="http://confluence:8080/download/attachments/8618175/Text.txt?version=1&modificationDate=1484637732181">Text.txt</a><br/>
<span class="image-wrap" style=""><img src="http://confluence:8080/download/attachments/8618175/add-button-blue-hi.png?version=1&modificationDate=1484562338796" style="border: 1px solid black" /></span><br/>
<span class="image-wrap" style=""><a class="confluence-thumbnail-link 300x200" href='http://confluence:8080/download/attachments/8618175/attachment.jpg'><img src="http://confluence:8080/download/thumbnails/8618175/attachment.jpg" style="border: 1px solid black" /></a></span></p>
</div>
</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