import Foundation
let pattern = #"\[(?<time>(?:[\d]+\:[\d]+:[\d]+)\s+(?:AM|PM))(?:\s+\|\s+\w+\s+(?<edited>(?:[\d]+\:[\d]+:[\d]+)\s+(?:AM|PM)))?\]\s+(?<author>\w+)\:\s+(?<message>[\w\s,.]+)"#
let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines)
let testString = #"""
[9:14:51 AM] Jeff: If you could just do me a favoure and list all these concerns and in a mail and if you have any ideas that you might want to implement so that I can get everybodys notes.
[9:14:56 AM] Timmy: in terms of websites or domains or DNSs I have no clue about setup
[9:15:19 AM | Edited 9:15:25 AM] Jeff: That, I will get Sam and Frodo involved in
[9:16:01 AM] Jeff: I am stepping out quickly
"""#
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