import Foundation
let pattern = ##"([a-zA-z0-9 ]+)|([?,.!:\'\"=_\-%#@\&\])([a-zA-z0-9 ]|$)"##
let regex = try! NSRegularExpression(pattern: pattern)
let testString = #"""
Hello!Friend of my friend ... how are you! I'm tired, don ' t I! Two differences: one, two , three,four, five! !Hey!Hey =) How are you?
Oh , we've got plenty of time . __eou__ We haven't . Hurry up ! __eou__ All right.Let ' s go . __eou__ And about time too . __eou__
line: What dressing would you like on the salad ? __eou__ French dressing , please . __eou__ I beg your pardon ? __eou__ Oh , French dressing . __eou__ Sorry , it's not available now.Anything else ? __eou__ We still prefer French dressing . __eou__ Will you say it again ? __eou__ Who's your manager ? Tell me ! Would you ? __eou__
line: Excuse me , can I use your computer to type my paper ? __eou__ No problem . __eou__ I am afraid I can't finish typing it this afternoon.When will you use it tonight ? __eou__ Oh , Never mind , I finished my paper.So you can use it tonight . __eou__ Thanks a lot ! __eou__
"""#
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