import Foundation
let pattern = #"((https|http):\/?\/?)?(?<bucket>[a-z\-]*)(\.s3\.)(?<server>[a-z\-\d]*)(\.amazonaws\.com\/)(?<key>[^?\s]*)(\?)?(?<extra>\??.*)"#
let regex = try! NSRegularExpression(pattern: pattern, options: .caseInsensitive)
let testString = #"""
https://practice-assets-test-wealthbox-dev.s3.us-west-2.amazonaws.com/common/img/2iw99y1.jpg
https://practice-assets-test-wealthbox-dev.s3.us-west-2.amazonaws.com/advisor/anand%40pulse360.com/img/signature.png
https://practice-assets-test-wealthbox-dev.s3.us-west-2.amazonaws.com/common/img/company_logo.jpg
https://practice-assets-test-wealthbox-dev.s3.us-west-2.amazonaws.com/common/Entrega%202%20-%20Punto%206%20.png
https://practice-assets-test-wealthbox-dev.s3.us-west-2.amazonaws.com/common/img/tb.jpg
https://practice-assets-test-wealthbox-dev.s3.us-west-2.amazonaws.com/advisor/santiago.persico%40teracloud.io/img/signature.png
https://practice-assets-test-wealthbox-dev.s3.us-west-2.amazonaws.com/common/Lyrics.jpg
https://practice-assets-test-wealthbox-dev.s3.us-west-2.amazonaws.com/common/face2.jpg
https://practice-assets-test-wealthbox-dev.s3.us-west-2.amazonaws.com/common/arriba%20small%20compressed.jpg
https://practice-assets-test-wealthbox-dev.s3.us-west-2.amazonaws.com/common/vepPagado.pdf
https://practice-assets-test-wealthbox-dev.s3.us-west-2.amazonaws.com/common/img/Flyster---300px.jpg
https://practice-assets-test-wealthbox-dev.s3.us-west-2.amazonaws.com/common/img/Skull.png?asd=asd
https://practice-assets-test-wealthbox-dev.s3.us-west-2.amazonaws.com/common/img/2iw99y1.jpg
"""#
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