import Foundation
let pattern = #"(<div class="layout"\>(?:.*?(?:<div).*?(?:<\/div>).*?){0,}<\/div>)"#
let regex = try! NSRegularExpression(pattern: pattern, options: .dotMatchesLineSeparators)
let testString = ##"""
#{if(total,0)}#{else}
<div id="recommend">
<div class="title"><p>Title</p></div>
#{item(1,5)}
<div class="layout">
<div class="item">
<a href="#{url}"><img border="0" alt="#{name}" src="#{image}"></a>
</div>
<div class="goods">
<a href="#{url}">#{truncate(name,27)}</a>
</div>
<div class="price">#{comma(price_tax)}</div>
</div>
#{/item}
<br clear="all">
</div>
#{/if}
"""##
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