import Foundation
let pattern = #"在此输入你的正则表达式"#
let regex = try! NSRegularExpression(pattern: pattern)
let testString = #"""
1 2017-04-11 Zjmainstay
2 2017-04-12 Nobody
3 2017-04-13 Somebody
"""#
let stringRange = NSRange(location: 0, length: testString.utf16.count)
let substitutionString = #"INSERT INTO table_log(`id`, `created_at`, `author`) values('$1', '$2', '$3');"#
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