import Foundation
let pattern = #"<h\d.+?(?=<h\d|$)"#
let regex = try! NSRegularExpression(pattern: pattern, options: .dotMatchesLineSeparators)
let testString = #"""
Aenean lacinia bibendum <a href="/life">life</a> sed consectetur. <a href="/work">Work</a> quis risus eget urna mollis ornare <a href="/about">about</a> leo.
<h1> attribute="whatever">asiponfpweg ihnasegio</h1>asd
<p>whatever</p>
<img src=""></img>
<h3> attribute="whatever">asiponfpweg ihnasegio</h3>
<p>whatever</p>
<p>whatever</p>
<h1><span> attribute="whatever">asiponfpweg ihnasegio</span></h3>
<p>whatever</p>
<h3> attribute="whatever">asiponfpweg ihnasegio</h3>
"""#
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