import Foundation
let pattern = #"(\(\) => import\()'@/([^']*)'\)"#
let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines)
let testString = #"""
() => import('@/components/something/Something')
with
() => import(/* webpackChunkName: "components--something--Something" */ '@/components/something/Something')
"""#
let stringRange = NSRange(location: 0, length: testString.utf16.count)
let substitutionString = #"$1/* webpackChunkName: "$2" */ '@/$2')"#
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