import Foundation
let pattern = #"(((\d{4,}(?:[\.,]\d+)?)|((\d{1,3}(?:((\.)|,)\d{1,3})?(?:\6\d{1,3})*(?:(?(7),|\.)\d+)?)))\s*(?:[a-zA-Z]*))"#
let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines)
let testString = #"""
123mm
123mm
123 mm
123 mm
123MM
123MM
123 MM
123 MM
123,45mm
123.45mm
123,45 mm
123.45 mm
123,45MM
123.45MM
123,45 MM
123.45 MM
1.234,56mm
1,234.56mm
1.234,56 mm
1,234.56 mm
1.234,56MM
1,234.56MM
1.234,56 MM
1,234.56 MM
4.321.234,56mm
4,321,234.56mm
4.321.234,56 mm
4,321,234.56 mm
4.321.234,56MM
4,321,234.56MM
4.321.234,56 MM
4,321,234.56 MM
4.321,234.56mm
4,321,234,56mm
4.321.234,56 mm
4,321.234.56 mm
4.321.234,56MM
4.321,234.56MM
4.321.234,56 MM
123,499,321,234.56 MMillimeter George Washington
123456.23mm
123456,23mm
123456..23mm
123456.,23mm
123,456,789.23
1.234,56MM 1,234.56MM 1.234,56 MM ,234.56 MM Alabama
4.321.234,56mm 4,321,234.56mm 4.321.234,56 mm 4,321,234.56 mm South Africa
"""#
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