import Foundation
let pattern = #"(\w+)=(\[.*?]|{.*?}|\S+)(?=\s*,\s*\w+=|$)"#
let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines)
let testString = #"names=['m','c'], nmodes=2, mus=[[-5.0, -5.0], [5.0, 5.0]], sigmas=[[1.5, 1.5], [2.1, 2.1]], corrcoefs=[[[1.0, -0.7], [-0.7, 1.0]], [[1.0, 0.7], [0.7, 1.0]]], covs=[[[2.25, -1.5749999999999997], [-1.5749999999999997, 2.25]], [[4.41, 3.087], [3.087, 4.41]]], weights=[1.0, 3.0], bounds={'m': (-inf, inf), 'c': (-inf, inf)}"#
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