import Foundation
let pattern = #"(?<=^|[\n;](?:[\t ]*(?:\w+ )?)?)export(?:(?:\s+(?<type>type)\s*)|\s*)(?<exports>{[\w\t\n\r "$'*,./{}-]+?})(?=;?[\t\n;]*?(?!(?:\n*\/\/)|(?:\n*\/\*)|(?:\s*from.*?)))"#
let regex = try! NSRegularExpression(pattern: pattern)
let testString = #"""
export { name1, /* */ nameN };
export { variable1 as name1, variable2 as name2, /* */ nameN };
export { variable1 as "string name" };
export { name1 as default /*, */ };
export type { CompilerOptionsJson as default };
export { default }
export {
DEFAULTS,
plugin as default,
type Options
}
export type { Config, Result }
export type { default as Options }
export { default } from './make'
export {
DEFAULTS,
plugin as default,
type Options
} from './plugin'
export type { Config, Result } from './interfaces'
export type { default as Options } from './options'
var g;export{name1};export{name1}
var g;export{name1}; export{name1}
export { name1, /* */ nameN }
export { import1 as ", import2 as name2, /* */ nameN }
export { default, /* */ }
declare module 'module-name' {
export {
DEFAULTS,
plugin as default,
type Options
}
export type { Config, Result }
export type { default as Options }
}
export { default } from './make'
export {
DEFAULTS,
plugin as default,
type Options
} from './plugin'
export type { Config, Result } from './interfaces'
export type { default as Options } from './options'
// export { default }
// export type { default as Statement }
/**
* @example
* export { default }
* export { Config, Result }
* export type { default as Options }
*/
export { default, /* */ }
"""#
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