import Foundation
let pattern = #"^\!\s*(R|r)edirect:"#
let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines)
let testString = ###"""
! Redirect: Tells the adblocker to look for list updates from a new URL from that point on. To be used in the old file only (Not the new one), to avoid an infitite redirection loop
redirect:not()
redirect:has(
##redirect:
#?#redirect:
##moz-redirect:
redirect:contains(
! Redirect:
! redirect:
!Redirect:
!redirect:
! Redirect:
! redirect:
"""###
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