import Foundation
let pattern = #"(?:[a-z]+(?:(?!\n)[^a-z])+){3}((?=(?:(?![aeiou])[a-z])*[aeiou](?:(?![aeiou])[a-z])*[^a-z](*SKIP)(?!)|)[a-z]+)"#
let regex = try! NSRegularExpression(pattern: pattern, options: .caseInsensitive)
let testString = #"""
Here is my Text which
I now have *starred* the words which i would like accounted for"
I would like the end result to be Lines 3 Words 6.
Python Regular expression **rules** have me trying things that
I have listed below. All of them are usable but I would like
To understand how to customize it for **production** to use.
"""#
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