import Foundation
let pattern = #"^([^ ]*) - ([^ ]*) \[(.*)\] \"([^ ]*) ([^ ]*) ([^ ]*)\" (-|[0-9]*) (-|[0-9]*) \"(.+?|-)\" ([^ ]*|-) ([^ ]*|-) ([^ ]*|-) \"(.+?|-)\" \"(.+?|-)\" \"(.+?|-)\"$"#
let regex = try! NSRegularExpression(pattern: pattern)
let testString = #"14.23.114.61 - wo.haodou.com [15/Sep/2014:16:34:46 +0800] "GET /717238/ HTTP/1.1" 200 4895 "http://www.haodou.com/recipe/472378" - 0.034 6ibgu5ha3g8ev3s6vsnf672rq1 "-" "Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.63 Safari/537.36 SE 2.X MetaSr 1.0" "0.034""#
let stringRange = NSRange(location: 0, length: testString.utf16.count)
if let firstMatch = regex.firstMatch(in: testString, range: stringRange) {
let result: [String] = (1 ..< firstMatch.numberOfRanges).map { (testString as NSString).substring(with: firstMatch.range(at: $0)) }
print(result)
} else {
print("No matches were found.")
}
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