import Foundation
let pattern = #"<([pali]{1,2})>[^<>]*Madhuparna[^<>]*<\/\1>"#
let regex = try! NSRegularExpression(pattern: pattern)
let testString = #"<p>The entire purpose speed up the process.</p><p>June 5, 2021 By Madhuparna</p>\r\n<p>The entire purpose of a terminal emulator is to imitate how the regular computer terminals perform and allowing the main computer to connect to and use a remote computer through a command-line or a graphical interface. The terminal emulators are known to carry out the functions using the software.</p>\r\n<a>It allows file transfer between the main and the remote computer using SSH (Secure Shell) and also enables the host system to execute applications on the remote system. While it features a graphical user interface, programmers rather prefer the text-based interface to gain more control over all functions and speed up the process.</a><p>bla bla bla Madhuparna bla bla bla</p><li>bar Madhuparna baz</li>"#
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