import Foundation
let pattern = #"([0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3})"#
let regex = try! NSRegularExpression(pattern: pattern)
let testString = #"""
Starting Nmap 6.47 ( http://nmap.org ) at 2015-05-26 22:43 ric
Initiating ARP Ping Scan at 22:43
Scanning 254 hosts [1 port/host]
Completed ARP Ping Scan at 22:43, 10.61s elapsed (254 total hosts)
Initiating Parallel DNS resolution of 254 hosts. at 22:50
Completed Parallel DNS resolution of
254 hosts. at 22:50, 16.50s elapsed
Nmap scan report for 192.168.1.0 [host down]
Nmap scan report for 192.168.1.2 [host down]
Nmap scan report for 192.168.1.3 [host down]
Nmap scan report for 192.168.1.4 [host down]
Nmap scan report for 192.168.1.5 [host down]
Nmap scan report for 192.168.1.7 [host down]
Nmap scan report for 192.168.1.8 [host down]
Nmap scan report for 192.168.1.9 [host down]
Nmap scan report for 192.168.1.10 [host down]
"""#
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