import Foundation
let pattern = #"(?:\r|\n) *([^\n=\.]+)(?<=\S) *= *(.+)"#
let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines)
let testString = #"""
This is multiline text that needs to be correctly parsed into key-value pairs, excluding all other information.
Section One:
First key = Value One
Second key = Value Two
Section Two:
Third key = Value Three
Fourth key = Value Four
Fifth key = Value Five
Section Three:
Sixth key = Value Six
Seventh key = Value Seven
Eighth key = Value Eight
"""#
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