import Foundation
let pattern = #"^\d\d(?:([.,])\d(?:\d(?:\1\d\d?|)|)|)(?: \d\d(?:([.,])\d(?:\d(?:\2\d\d?|)|)|))*$"#
let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines)
let testString = #"""
Нужно захватывать такие виды оквэдов (1 === \d{1}):
11
11.1
11,1
11.11
11,11
11.11.1
11,11,1
11.11.11
11,11,11
11 11.11 11.11.11
11 11,11 11,11,11
Недопустимы:
11,11.11
11.11,11
11.1.11
11.1.1
11.
11,
11.1.
11,1,
11.11.
11,11,
11.11.1.
11,11,1,
11.11.11.
11,11,11,
"""#
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