import Foundation
let pattern = #"at .*\.(\w*) \(.*js\/(\w*)\/(?!logger)(\w*)\..{2,4}:(\d*:\d*)\)"#
let regex = try! NSRegularExpression(pattern: pattern)
let testString = #"""
Error
at getCallerTag (http://localhost:4577/js/base/logger.js:31:17)
at Object.logIt (http://localhost:4577/js/base/logger.js:25:18)
at Object.debug (http://localhost:4577/js/base/logger.js:11:12)
at HTMLInputElement.updateFileNames (http://localhost:4577/js/modules/pdf.js:12:11)
at HTMLInputElement.n.event.dispatch (http://localhost:4577/vendor/js/jquery-2.2.3.min.js:3:7537)
at HTMLInputElement.r.handle (http://localhost:4577/vendor/js/jquery-2.2.3.min.js:3:5620)
> match[1] = 'updateFileNames', match[2] = 'modules', match[3] = 'pdf', match[4] = '12:11'
Error
at getCallerTag (http://localhost:4577/js/base/logger.js:31:17)
at Object.logIt (http://localhost:4577/js/base/logger.js:25:18)
at Object.debug (http://localhost:4577/js/base/logger.js:11:12)
at Object.Foo (http://localhost:4577/js/base/components.js:75:21)
at HTMLInputElement.n.event.dispatch (http://localhost:4577/vendor/js/jquery-2.2.3.min.js:3:7537)
at HTMLInputElement.r.handle (http://localhost:4577/vendor/js/jquery-2.2.3.min.js:3:5620)
> match[1] = 'Foo', match[2] = 'base', match[3] = 'components', match[4] = '75:21'
"""#
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