import Foundation
let pattern = #"(?<=src=\\").*?(?=\\")"#
let regex = try! NSRegularExpression(pattern: pattern)
let testString = #"{"Items":[{"ItemID":10198,"ItemType":null,"Subject":null,"SubjectID":14,"Area":null,"AreaID":18,"Topic":null,"TopicID":18,"SubTopicID":0,"ItemBankName":null,"Direction":"","ItemTitle":"Q.53","IsApproved":false,"Item":"\u003cp\u003e\u003cspan style=\"font-size: 14.7px;\"\u003eThe\u003c/span\u003e\u003cspan style=\"font-size: 14.7px;\"\u003e efficiency of the screw\u0026nbsp;\u003c/span\u003e\u003cspan style=\"font-size: 14.7px;\"\u003ein %\u0026nbsp;\u003c/span\u003e\u003cspan style=\"font-size: 14.7px;\"\u003eupto\u003c/span\u003e\u003cspan style=\"font-size: 14.7px;\"\u003e two decimal places is\u0026nbsp;\u003c/span\u003e\u003cspan style=\"font-size: 14.7px;\"\u003e[quizky-text]\u003c/span\u003e\u003c/p\u003e","ItemPassageID":352,"Passage":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 14.7px;\"\u003eStatement\u003c/span\u003e\u003cspan style=\"font-size: 14.7px;\"\u003e for Linked Answer Questions 52 and 53:\u0026nbsp;\u003c/span\u003e\u003c/strong\u003e\u003cbr /\u003e \u003cspan style=\"font-size: 14.7px;\"\u003eA load of 30 KN is raised by means of a screw jack having square threaded screw of pitch 12 mm. The spindle diameter is 50 mm. If a force of 350 N is applied at the end of a lever to raise the load, co-efficient of friction\u0026nbsp;\u003c/span\u003e\u003cspan style=\"font-size: 14.7px;\"\u003eis\u003c/span\u003e\u003cspan style=\"font-size: 14.7px;\"\u003e 0.15.\u003c/span\u003e\u003c/p\u003e","PassageTitle":null,"IsLinkedQuestion":false,"Points":0,"Explanation":"\u003cp\u003e\u003cspan style=\"font-family: Symbol;\"\u003eh\u003c/span\u003e\u003cspan style=\"font-size: 14.7px;\"\u003e =\u0026nbsp;\u003c/span\u003e\u003cimg style=\"vertical-align: bottom;\" src=\"QUIZKYIMAGEREPO/docximg_1128711867_image197.png\" alt=\"\" width=\"54\" height=\"32\" data-docx-image=\"image197.emf\" /\u003e\u003cspan style=\"font-size: 14.7px;\"\u003e =\u0026nbsp;\u003c/span\u003e\u003cimg style=\"vertical-align: bottom;\" src=\"QUIZKYIMAGEREPO/docximg_1128711867_image198.png\" alt=\"\" width=\"40\" height=\"31\" data-docx-image=\"image198.emf\" /\u003e\u003cspan style=\"font-size: 14.7px;\"\u003e = 33%\u003c/span\u003e\u003c/p\u003e","ItemBankID":0,"LOD":null,"LODID":2,"ItemBank":0,"QuestionPaper":0,"IsProofRead":false,"CorrectIndex":0,"QuestionPaperSectionID":0,"ItemOptionModel":null}],"ItemOptions":[{"ItemOptionID":37637,"ItemID":0,"Option":"\u003cp\u003e\u003cspan style=\"font-family: Arial; font-size: 12px;\"\u003e\u0026nbsp;\u003c/span\u003e\u003cspan style=\"font-family: Arial; font-size: 12px;\"\u003e33.36\u003c/span\u003e\u003c/p\u003e","RHSOption":null,"MarkedIndex":null,"OrderNumber":null,"OptionIndex":0,"IsCorrect":false,"IsHTML":false,"RHSIsHTML":false,"ColumnID":0},{"ItemOptionID":37638,"ItemID":0,"Option":"\u003cp\u003e\u003cspan style=\"font-family: Arial; font-size: 12px;\"\u003e\u0026nbsp;\u003c/span\u003e\u003cspan style=\"font-family: Arial; font-size: 12px;\"\u003e33.36\u003c/span\u003e\u003c/p\u003e","RHSOption":null,"MarkedIndex":null,"OrderNumber":null,"OptionIndex":0,"IsCorrect":false,"IsHTML":false,"RHSIsHTML":false,"ColumnID":0}]}"#
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