import Foundation
let pattern = #"\n1\s(\d{2,8})\s(\d{1,3}(?:\.\d{3})*(?:\,\d+))\s(\w{1,10})\s(\d{1,3}(?:\.\d{3})*(?:\,\d+))\s(\d{1,3}(?:\.\d{3})*(?:\,\d+))\s(\w{3})(?:\r?\n(?!Ihre).*)*\r?\nIhre Art.-Nr.\s(\d+)(?:\r?\n(?!DeliveryDate:|incl\.).*)*\r?\n(?:DeliveryDate:\s(\d{2}.\d{2}.\d{4}))?(?:\r?\n(?!incl\.).*)*\r?\nincl\.(?:ExtraCharge\r?\n\s*entspricht:\s(\d{1,3}(?:\.\d{3})*(?:\,\d+))\s(\w{1,10}))?"#
let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines)
let testString = #"""
1 123456 25,00 Stck 100,00 2.500,00 EUR
. . . some text
Ihre Art.-Nr. 1690431
. . . some text
incl.
1 123456 25,00 Stck 100,00 2.500,00 EUR
. . . some text
Ihre Art.-Nr. 1690431
DeliveryDate: 21.11.2019
. . . some text
incl.ExtraCharge
entspricht: 222,00 EUR
"""#
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