import Foundation
let pattern = ##"""
(?<=") # A filename is after a double quote char
(?:[^"\/]+\/)+ # the path is one or more words separated with a slash
[^"\/]+ # The filename (not the path) can be anything but a double quote char and a slash
[.]\w+ # The extension cannot have space and have the form of .foobar
(?:") # A filename end with a double quote char
"""##
let regex = try! NSRegularExpression(pattern: pattern, options: [.anchorsMatchLines, .caseInsensitive, .allowCommentsAndWhitespace])
let testString = #"""
example 1: soundSet = { name = "bus_modern", horn = "vehicle/truck_modern/horn.wav" }
example 2: id = "vehicle/bus/citaro/lod_0_w2.msh",
example 3: "vehicle/bus/berkhof_duvedec/berkhof_duvedec_lod_0_w2.msh", "vehicle/bus/berkhof_duvedec/berkhof_duvedec_lod_0_w3.msh",
id = "vehicle/train/BR 78_Body.grp"
"""#
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