import Foundation
let pattern = #"(?:https?|ftp):\/\/sun2.[^\s\,]+"#
let regex = try! NSRegularExpression(pattern: pattern, options: .caseInsensitive)
let testString = #"<a aria-label="фотография" onclick="return showPhoto('-100714248_457263531', 'wall-100714248_195733', {"temp":{"x":"https:\/\/sun1.tattelecom-nbc.userapi.com\/AZsv8R78JOlrmsTJ6NR_NZpKj-RbfbWCPWQ8uA\/QnMLGnxpnYk.jpg","y":"https:\/\/sun1.tattelecom-nbc.userapi.com\/vtKcPNt6Wazn_vcPkvLAMX1MOhMz_hfRgYx28g\/cXJNEGEn2Lc.jpg","z":"https:\/\/sun2.tattelecom-nbc.userapi.com\/oZ0evVUqXklp4UGCisHHFRSaNTEfnnJO_A7lTg\/ZqD22JRrSyw.jpg","x_":["https:\/\/sun1.tattelecom-nbc.userapi.com\/AZsv8R78JOlrmsTJ6NR_NZpKj-RbfbWCPWQ8uA\/QnMLGnxpnYk",359,604],"y_":["https:\/\/sun1.tattelecom-nbc.userapi.com\/vtKcPNt6Wazn_vcPkvLAMX1MOhMz_hfRgYx28g\/cXJNEGEn2Lc",480,807],"z_":["https:\/\/sun2.tattelecom-nbc.userapi.com\/oZ0evVUqXklp4UGCisHHFRSaNTEfnnJO_A7lTg\/ZqD22JRrSyw",587,987],"base":""},"queue":1}, event)" style="width: 68px; height: 115px;background-image: url(https://sun2.tattelecom-nbc.userapi.com/aMS3yYlzjZF3H6GPY1T5oDAeIqZD5uQv4WveMw/7ToUPNMTnmo.jpg);" class="page_post_thumb_wrap image_cover page_post_thumb_last_column fl_l page_post_thumb_not_single" data-photo-id="-100714248_457263531"></a>"#
let stringRange = NSRange(location: 0, length: testString.utf16.count)
if let firstMatch = regex.firstMatch(in: testString, range: stringRange) {
let result: [String] = (1 ..< firstMatch.numberOfRanges).map { (testString as NSString).substring(with: firstMatch.range(at: $0)) }
print(result)
} else {
print("No matches were found.")
}
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