import Foundation
let pattern = ##"(?<!(?=((http|https|ftp|ftps?)\:\/\/?)(www\.?)))Nissan(?!(?:([$&+.,/:;\-_#=@?!a-zA-Z0-9](?!\s))+))(?=[^<>]*<)(?!(?:(?!</?(?:a|span)[ >/])(?:.|\n))*</(?:a|span)>)(?! (Micra|is))"##
let regex = try! NSRegularExpression(pattern: pattern, options: .caseInsensitive)
let testString = #"""
<p>Nissan is car manufacter odoocompany.</p>
<p>Nissan</p>
<p>Nissan. Nissan, Nissan: 'Nissan' "Nissan" Nissan. </p>
<p>niss 'Nissan' niss</p>
<p>[Nissan] (Nissan)</p>
<p>Nissan! www.Nissan.com and www.Nissan.co.in/?nissan=/Nissan.php </p>
<p>Nissan! www.Nissan.com/nissanis/nissan01/nissan_-ABC/nissan.com</p>
<p>nissan.com/nissan.html nissan company Nissan Micra is product</p>
<p><a href="www.Nissan.com">Nissan</a> is company and <span><a href="www.Nissan.com">Nissan</a></span> Micra is product</p>
<p><span>Nissan</span></p>
<p>Nissan product <a href="Nissan.com">Nissan</a> ignore Nissan</p>
<p>nissan <a href="Nissan.com"><span>Nissan</span></a> new nissan</p>
<p>odoo is a name Company and Nissan Micra is a model of best.</p>
<p>This is new <a href='https://www.Nissan.com'><span>Nissan</span></a> micra of micra nissan is company.
nissan is a company.</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