import Foundation
let pattern = #"(?P<timestamp>[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}.[0-9]{6}Z) ? ? ? ? ? ?(?P<connID>[0-9]+) (?P<name>[a-zA-Z]+) (?P<sqltext>[^\n]+)"#
let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines)
let testString = #"""
---my SQL---
2018-03-31T15:38:44.521650Z 2356 Query SELECT c FROM sbtest1 WHERE id=164802
2018-03-31T15:38:44.521790Z 2356 Query SELECT c FROM sbtest1 WHERE id BETWEEN 95241 AND 95340
2018-03-31T15:38:44.522168Z 2356 Query SELECT SUM(k) FROM sbtest1 WHERE id BETWEEN 1 AND 100
2018-03-31T15:38:44.522500Z 2356 Query SELECT c FROM sbtest1 WHERE id BETWEEN 304556 AND 304655 ORDER BY c
2018-03-31T15:38:44.522941Z 2356 Query SELECT DISTINCT c FROM sbtest1 WHERE id BETWEEN 924 AND 1023 ORDER BY c
2018-03-31T15:38:44.523525Z 2356 Query UPDATE sbtest1 SET k=k+1 WHERE id=514
"""#
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