import Foundation
let pattern = #"<p>DETAILS[\s\S]*|(<p>.*?<\/p>)|.*"#
let regex = try! NSRegularExpression(pattern: pattern)
let testString = #"""
<info>
<owner>
<p>Owners:</p>
<p>1. New Owner_1</p>
<p>2. New Owner_2</p>
</owner>
<addons>
<p>Name of dog: Alex</p>
<p>1. Text blah blah blah</p>
<p>2. Text blah blah blah</p>
<p>3. Text blah blah blah</p>
<p>4. Text blah blah blah</p>
<p>OR MORE Text blah blah blah</p>
</addons>
<p>DETAILS</p>
<p>1. Vicky Mears 1st dog's owner.</p>
<p>2. Paul Nash 2nd dog's owner.</p>
<p>3. Dog found last Apr. 2016</p>
</info>
"""#
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