import Foundation
let pattern = ##"(^( +|)\[(?<name>[^#;\r\n]+)\])|(^( +|)(?<key>[^\[\]\r\n=#;]+)( |)=( |)(?<value>[^#;\\\r\n]*(?:\\.[^#;\\\r\n]*)*))|((#|;)(?<comm>.+)$)"##
let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines)
let testString = ##"""
;An orphan comment at the top of the file
#Another orphan comment
#Comment above a group
[Group1] #Group comment 1
Key1=Value1#Comment 1
Key2=Value 2
Key 3=Value 3
Key 4=Value4
Key5=Value \#5;Comment 2
;Another comment above a group
[Group 2] ;Group comment 2
Key1 = Value1 #Comment 3
Key2 = Value 2
Key 3 = Value 3
Key 4 = Value4
Key 5 = Value\;5 ;Comment 4
"""##
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