import Foundation
let pattern = #"(?<scheme>https?|s?ftp|wss?|git):\/\/(?<subDomain>[a-z0-9-]{1,63}\.(?:[a-z0-9-]{1,63}\.)*)?(?<domain>[a-z0-9-]{1,256})[.](?<tld>[a-z0-9]+)(?::(?<port>[0-9]{1,5}))?(?<path>\/.*/?)?"#
let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines)
let testString = ##"""
https://www.google.com
https://google.com:65535
https://www.google.com/search
https://google.com/search
https://www.google.com/
https://google.com/
http://www.google.com
http://google.com
http://www.google.com/search
http://google.com/search
http://www.google.com/
http://google.com/
sftp://
ftp://
ws://
wss://
git://
git://
https://my.website-is.cool.name:5673/thing?456%20asd#foo
"""##
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