import Foundation
let pattern = #"^([\w-.]+)@([\w-]+)(\.[\w.-]+)$"#
let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines)
let testString = #"""
Created by David Carroll for Question on SoloLearn:
- https://www.sololearn.com/Discuss/1940608/?ref=app
- Also see: For List of TLD possibilities:
- https://regex101.com/r/9ugQHy/4
-----------------
Sample Data
-----------------
example@example.com
example@example.net
example@example.com
d.c-123@some-domain.uk.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