import Foundation
let pattern = #"^edit\s(.*?)\s\;mode[\S\s]*?(?=.*?\b(KeyWord_1|KeyWord_2|KeyWord_3|NonExistant_1)\b)(?=.*?\b(1|2|3|A|B|C|8|9|10|X|Y\Z)\b)[\S\s]*?exit$"#
let regex = try! NSRegularExpression(pattern: pattern, options: [.anchorsMatchLines, .caseInsensitive])
let testString = #"""
edit GoodMatch1 ;mode
Something Random
KeyWord_2 A B and C and also D E
Something Random
Something Random
KeyWord_3 1 A and 2 B
Something Random
KeyWord_1 1 2 and 3 and also 4 5
Something Random
exit
"""#
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