import Foundation
let pattern = #"(^|\n)[0-9]{4}(-[0-9]{2}){2} ([0-9]{2}:){2}[0-9]{2} LogManager : [^{]*{Name: Hello}\nFetching last name\n{LastName : World"#
let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines)
let testString = #"""
2017-11-22 01:43:36 LogManager : Currently processing data {Name: Hello}
Fetching last name
{LastName : World}
2017-11-22 03:12:23 LogManager : Currently processing data {Name: Dummy}
Fetching last name
{LastName : Value}
SomeRandomMessage
2017-11-22 03:12:23 LogManager : SomeRandomMessage
Currently processing data {Name: Dummy2}
Fetching last name
SomeRandomMessage
{LastName : Value3}
"""#
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