import Foundation
let pattern = #"@import[ ]*['\"]{0,}(url\()*['\"]*([^;'\"\)]*)['\"\)]*"#
let regex = try! NSRegularExpression(pattern: pattern, options: .caseInsensitive)
let testString = #"""
@import "font-awesome.min.css";
@import "simple-line-icons.css";
@import url(http://fonts.googleapis.com/css?family=Montserrat:700,400);
@import url('http://fonts.googleapis.com/css?family=ggg');
@import url("http://fonts.googleapis.com/css?family=ggg");
"""#
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