import Foundation
let pattern = #"H(?:<.*?>)?e(?:<.*?>)?l(?:<.*?>)?l(?:<.*?>)?o(?:<.*?>)? (?:<.*?>)?進(?:<.*?>)?撃(?:<.*?>)?の(?:<.*?>)?巨(?:<.*?>)?人(?:<.*?>)?!(?:.|\r?\n)*?L(?:<.*?>)?o(?:<.*?>)?r(?:<.*?>)?e(?:<.*?>)?m(?:<.*?>)? (?:<.*?>)?i(?:<.*?>)?p(?:<.*?>)?s(?:<.*?>)?u(?:<.*?>)?m(?:<.*?>)?\."#
let regex = try! NSRegularExpression(pattern: pattern)
let testString = #"""
<html>
<body>
<p>Hello <em>進撃の巨人</em>!</p>
random code
random code
<p>Lorem <span>ipsum<span>.</p>
</body>
</html>
"""#
let stringRange = NSRange(location: 0, length: testString.utf16.count)
if let firstMatch = regex.firstMatch(in: testString, range: stringRange) {
let result: [String] = (1 ..< firstMatch.numberOfRanges).map { (testString as NSString).substring(with: firstMatch.range(at: $0)) }
print(result)
} else {
print("No matches were found.")
}
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