import Foundation
let pattern = #"^(?:(?:(?:(?:(?:[13579][26]|[2468][048])00)|(?:[0-9]{2}(?:(?:[13579][26])|(?:[2468][048]|0[48]))))(?:(?:(?:09|04|06|11)(?:0[1-9]|1[0-9]|2[0-9]|30))|(?:(?:01|03|05|07|08|10|12)(?:0[1-9]|1[0-9]|2[0-9]|3[01]))|(?:02(?:0[1-9]|1[0-9]|2[0-9]))))|(?:[0-9]{4}(?:(?:(?:09|04|06|11)(?:0[1-9]|1[0-9]|2[0-9]|30))|(?:(?:01|03|05|07|08|10|12)(?:0[1-9]|1[0-9]|2[0-9]|3[01]))|(?:02(?:[01][0-9]|2[0-8])))))(([_]{1})[a-zA-Z-zÀ-ÿ-0-9\s]+?(?=_)([_]{1})(([0-9]+?(?=[.]))|([0-9]+?(?=[_])([_]{1})[a-zA-Z-zÀ-ÿ-0-9\s]+?(?=[.]))|([a-zA-Z-zÀ-ÿ-0-9\s]+?(?=_)([_]{1})(([0-9]+?(?=[.]))|([0-9]+?(?=_)([_]{1})[a-zA-Z-zÀ-ÿ-0-9\s]+?(?=[.]))))))"#
let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines)
let testString = #"""
20220103
20220103_type_67676.txt
20220103_ty ççpe_67676.txt
20220103_typ çw3434ç sdf ççe_67676.txt
20220103_type_sousType_67676.txt
20220103_type_sousType_67676_test.txt
20220103_tyéàààçççççééééêê432èèèè èïÜüïîÛÜÄçpe_67676.txt
20220103_tééééêê432èèype_sééééêê432èèsousType_67676.txt
20220103_tééééêê432èèype_sééééêê432èèsousType_67676_libre.txt
20211231_CA_80001_champ libre.txt
20220103_
"""#
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