import Foundation
let pattern = #"\s*ALERT:(?:Rs\.?|INR)(?:\s*)([0-9,]+(?:\.[0-9]+)?|\.[0-9]+)\s+spent\svia\s+[CcRrEeDdiITt]+\s+[CaCArRdD]+\s+([xX0-9]+)\s+at\s+([a-zA-Z0-9.-@\s]+)\s+on\s+(\d{4}-\d{2}-\d{2}:\d{2}:\d{2}:\d{2})\s+without\s+PIN\/OTP\.[NOTnot]+\s+you\?\s*Call\s+\d+.\s*"#
let regex = try! NSRegularExpression(pattern: pattern, options: [.anchorsMatchLines, .caseInsensitive])
let testString = #"""
ALERT:You've spent Rs.234.82 on CREDIT Card xx7498 at GODADDY61117 in MUMBAI on 2019-10-04:09:11:10.Not you?Call 18002586161.
ALERT:Rs.5633.31 spent via CREDIT Card xx7498 at AMAZON1258399 on 2019-10-05:18:09:15 without PIN/OTP.Not you?Call 18002586161.
on\s+[CcRrEeDdiITt]+\s+[CaCArRdD]+\s+([xX0-9]+)\s+at\s+([a-zA-Z0-9.-@\s]+)\s+on\s+(\d{4}-\d{2}-\d{2}:\d{2}:\d{2}:\d{2}).[NOTnot]+\s+you\?\s*Call\s+\d+.\s*
"""#
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