import Foundation
let pattern = #"(https?:\/\/(?:w{1,3}.)?[^\s]*?(?:\.[a-z]+)+)(?![^<]*?(?:<\/\w+>|\/?>))"#
let regex = try! NSRegularExpression(pattern: pattern)
let testString = #"""
This is my text to be parsed which contains url
http://someurl.com <a href="http://thisshouldnotbetampered.com">
some text and a url http://someotherurl.com test 1q2w </a> <img src="http://someasseturl.com/abc.jpeg"/>
Hello http://someurl.com</a> <!-- fail -->
<img src="http://someurl.com/image.jpg>
http://someurl.localhost.com
<div>Regex is awesome</div>
"""#
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