import Foundation
let pattern = #"<(a|h[1-6])[^>]*>(?:[a-zA-Z0-9\s\'\-\.,]|(?:<(.*)>.*<\/\1>))*<\/(a|h[1-6])>(*SKIP)(*FAIL)|\b(Find Me)\b(?=[^>]*(?:<|$))"#
let regex = try! NSRegularExpression(pattern: pattern, options: .caseInsensitive)
let testString = ##"""
Lorem ipsum find me and skip when
<b>find me</b> is inside a link tag
like this find me
<h1>find me in the title</h1>
<a href="#">here you can find me too</a>.
<h2 class="heading">Lorem Ipsum dolor find me here too</h2>
<table>
<tr><td>Cell 1 a</td><td>Find me</td></tr>
<tr><td>Cell 2 with find me</td><td><a href="#foo">Find me</a></td></tr>
</table>
<h3 class="heading">Duomo Di find me San Martino</h3>
<p>FIND ME as well</p>
"""##
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