import Foundation
let pattern = #"((?:<li\b[^>]*>.*?<\/li>))"#
let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines)
let testString = #"""
<ol type="A" lang="en-CA" style="margin-bottom: 0in; line-height: 100%">
<li type="A"><span>Text</span></li>
<li><span>More text</span></li>
</ol>
<ol type="I" style="font-weight: bold;">
<li><span>Text</span></li>
<li><span>More text</span></li>
</ol>
<ol type="1" style="font-weight: bold;">
<li><span>Text</span></li>
<li><span>More text</span></li>
</ol>
"""#
let stringRange = NSRange(location: 0, length: testString.utf16.count)
let substitutionString = #"$1"#
let result = regex.stringByReplacingMatches(in: testString, range: stringRange, withTemplate: substitutionString)
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