import Foundation
let pattern = #"(?:<w-block-content.*[\s\S]*?<div>)([\s\S]*?)(?:<\/div>((?!<\/div>))*[\s]*?<\/span>[\s\S]*?<\/w-block-content>)"#
let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines)
let testString = #"""
</tr>
<td>
<div draggable="true" class="source master draggable-box wysiwyg-block" data-block-type="master" data-block-id="96e80afb-afa0-4e46-bfb7-34b80da76112" style="opacity: 1;">
<w-block-content data-block-content-id="96e80afb-afa0-4e46-bfb7-34b80da76112"><span class="source-block-tooltip">
<div>
Další master<br><div><b>Master č. 2</b> </div><br>
</div>
</span></w-block-content>
</div>
</td>
</tr>
</tr>
<td>
<div draggable="true" class="source master draggable-box wysiwyg-block" data-block-type="master" data-block-id="96e80afb-afa0-4e46-bfb7-34b80da76112" style="opacity: 1;">
<w-block-content data-block-content-id="96e80afb-afa0-4e46-bfb7-34b80da76112"><span class="source-block-tooltip">
<div>
Další master<br><b>Master č. 2</b><br>
</div>
</span></w-block-content>
</div>
</td>
</tr>
"""#
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