import Foundation
let pattern = #"ORDER BY.*?(?=\s*LIMIT|\)|$)"#
let regex = try! NSRegularExpression(pattern: pattern, options: [.anchorsMatchLines, .caseInsensitive])
let testString = #"""
SELECT * FROM table ORDER BY name
SELECT a.* FROM (SELECT * FROM table ORDER BY name, created_at) AS a ORDER BY a.name
SELECT t0.* FROM table t0 WHERE t0.created_at IS NOT NULL ORDER BY t0.name, t0.created_at, t0.status LIMIT 10 OFFSET 10
"""#
let stringRange = NSRange(location: 0, length: testString.utf16.count)
let substitutionString = #""#
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