import Foundation
let pattern = #"^N;|[bdi]:[0-9.E-]+;|s:[0-9]+:".*";|a:[0-9]+:{.*}|O:[0-9]+:"[A-Za-z0-9_\\]+":[0-9]+:{.*}$"#
let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines)
let testString = #"""
N;
b:0;
b:1;
i:0;
i:1;
i:-1;
d:0;
d:1;
d:-1;
d:-1.2;
s:0:"";
s:3:"foo";
a:0:{}
a:6:{i:0;N;i:1;b:0;i:2;i:0;i:3;d:0;i:4;s:2:"''";s:3:"foo";s:5:""bar"";}
O:8:"stdClass":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