import Foundation
let pattern = #"(?: ?\|.*?\|\ ?\;?)"#
let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines)
let testString = #"Both whole plasma and the d < 1.006 g/ml density fraction of plasma from 2/2 mice show this broad beta-migration pattern (Fig. 1 B) |T:**1SP3E3| ; |I:**1SP3E3| |L:**1SP3E3| in contrast, 3/3 plasma shows virtually no lipid staining at the beta-position. |T:**1SN3E3| |I:**1SN3E3| |L:**1SN3E3|"#
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