import Foundation
let pattern = #"^(?<fulldomain>(?<protocol>[a-z]{2,6}):\/\/(?:((?<subdomain>[a-z0-9\-\.]*\.){0,99})(?<domain>[a-z\-0-9]{1,100})\.(?<extension>[a-z]{1,10})|(?<ipaddress>(?:25[0-5]|2[0-4]\d|[0-1]?\d{1,2})(?:\.(?:25[0-5]|2[0-4]\d|[0-1]?\d{1,2})){3})|(?<localhost>localhost))(?<port>\:[0-9]{1,6}){0,1})\/?(?<filepath>(?<path>[a-z0-9\-_%]{1,20}\/{1}){0,}(?<filename>[a-z0-9\-_]{1,20}\.[a-z0-9]{2,6}){0,1}){0,1}(?<route>(\/[a-z_0-9\-_]{1,20}){1,}){0,10}(?<query>\?[a-z0-9%\+_\-&=\.@\!,\:]{0,200}){0,1}$"#
let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines)
let testString = #"""
https://test.example.com:3000/path/to/page?q=1234&a=b&d=e
https://lots.of.subs.test.example.com:3000/path/to/page?q=1234&a=b&d=e
http://192.168.100.0:8080/path/to/page?q=123
http://localhost:3000/path/to/page?q=123
"""#
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