import Foundation
let pattern = #"((http|ftp)s?:.*?) "#
let regex = try! NSRegularExpression(pattern: pattern)
let testString = #"""
< Div >
< div id = "header_col2" >
< a href = "index_en.xhtml" title = "Angol version" >
< img src = "eng.jpg" alt = "Angol" height = "25" width = "48 " / >
< / a >
< / div >
< / div >
< div id = " clear " >
< hr / >
<h2 > Some links < / h2 >
< P >
< a href = "http://www.math.bme.hu/algebra " > Department of Algebra < / a > < br / >
< a href = "http://www.math.bme.hu/ " > matematics institude < / a > < br / >
< a href = " http://www.bme.hu/ " > BME < / a > < br / >
< a href = " http://www.bme.hu/~kk0v4cs " > Something else < / a > <br / >
< / p>
< / div >
"""#
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