import Foundation
// WARNING: You included a flag that Swift doesn't support: u
// When this flag is set, it makes the pattern and subject strings to be treated as unicode.
// Swift already treats the pattern and subject strings as unicode by default, so including this flag is redundant.
let pattern = ##"""
^# Static keyword
(?: (static) \s+
)? # Return type
(?: ( (?:[\w\|_\\\\]*\$this[\w\|_\\\\]*) | (?: (?:[\w\|_\\\\]+) # array notation
(?:\[\])* )* ) \s+ )?
# Method name
([\w_]+) # Arguments
(?: \(([^\)]*)\) )? \s* # Description
(.*)
$
"""##
let regex = try! NSRegularExpression(pattern: pattern, options: [.allowCommentsAndWhitespace, .dotMatchesLineSeparators])
let testString = #"persistAsFirstChild($node)"#
let stringRange = NSRange(location: 0, length: testString.utf16.count)
if let firstMatch = regex.firstMatch(in: testString, range: stringRange) {
let result: [String] = (1 ..< firstMatch.numberOfRanges).map { (testString as NSString).substring(with: firstMatch.range(at: $0)) }
print(result)
} else {
print("No matches were found.")
}
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