import Foundation
let pattern = #"(<[^>]*class=("|'))(\b(foo)(\w|\-)*)*"#
let regex = try! NSRegularExpression(pattern: pattern, options: [.anchorsMatchLines, .caseInsensitive])
let testString = #"""
<body>
<div style="margin-left:6px;" class="foo-pink blfoo-pin-foo-kue red yellow bar-green -moz-FF foo-pink moz-FF foo-pink" >
<fieldset class="foo customClass foo clFieldsBar bar-try" id="idField foo- bar-dfgdgdfg">
<legend><span>Qu'en pensez-vous ?</span></legend>
< id="idText" class='foo- Comment_text fdgdgdfg -foo-ddede mso-whitespace' name="nameText barName"></textarea> bar-deded foo-green
</fieldset>
class="blue dffsf sdf mso-green foo"
</div>
</body>
"""#
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