import Foundation
let pattern = ##"^((((H|h)(T|t)|(F|f))(T|t)(P|p)((S|s)?))\:\/\/)?(www.|[a-zA-Z0-9].)[a-zA-Z0-9\-\.]+\.[a-zA-Z]{2,6}(\:[0-9]{1,5})*(\/($|[a-zA-Z0-9\.\,\;\?\'\\\+&%\$#\=~_\-]+))*$"##
let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines)
let testString = #"""
http://sites.google.com
https://192.168.0.1
www.google.com
http://google.com
ftp://user:password@www.example.com
news://www.example.com
http://www.test.com?pageid=123&testid=1524
http://www.⌘.ws/
http://www.foo.com/blah_blah_(wikipedia)
http://www.test.com/?pageid=123&testid=1524
http://www,google.com
http://w,google.com
http://q,google.com
htftp://www.google.com
"""#
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