Regular Expressions 101

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An explanation of your regex will be automatically generated as you type.
Detailed match information will be displayed here automatically.
  • All Tokens
  • Common Tokens
  • General Tokens
  • Anchors
  • Meta Sequences
  • Quantifiers
  • Group Constructs
  • Character Classes
  • Flags/Modifiers
  • Substitution
  • A single character of: a, b or c
    [abc]
  • A character except: a, b or c
    [^abc]
  • A character in the range: a-z
    [a-z]
  • A character not in the range: a-z
    [^a-z]
  • A character in the range: a-z or A-Z
    [a-zA-Z]
  • Any single character
    .
  • Alternate - match either a or b
    a|b
  • Any whitespace character
    \s
  • Any non-whitespace character
    \S
  • Any digit
    \d
  • Any non-digit
    \D
  • Any word character
    \w
  • Any non-word character
    \W
  • Non-capturing group
    (?:...)
  • Capturing group
    (...)
  • Zero or one of a
    a?
  • Zero or more of a
    a*
  • One or more of a
    a+
  • Exactly 3 of a
    a{3}
  • 3 or more of a
    a{3,}
  • Between 3 and 6 of a
    a{3,6}
  • Start of string
    ^
  • End of string
    $
  • A word boundary
    \b
  • Non-word boundary
    \B

Regular Expression
No Match

/
/
gmu

Test String

Code Generator

Language

Generated Code

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 = #"(?i)(?<Lp>\d{1,2}(?![\s\S]*?(Lp\.|Ilość|jm\.)))\s*(?<NazwaProduktu1>([\S ]*?[\n\r]*){1,3})[\s\a]*(?<Ilosc>\d*)[.]?\s*(?<jm>[a-z]{3})[.]?[\s\a]*[\d\,\% \.]*(?<NazwaProduktu2>([a-ż\d ]*[\n\r]*){1,3})[\s\a]*"# let regex = try! NSRegularExpression(pattern: pattern, options: .anchorsMatchLines) let testString = #""" AKTURA FV000821 :JAAC*fibf: DATA WYSTAWIENIA : 2020.06.08 ZLECENIE: 01 MIEJSCE WYSTAWIENIA : TORUŃ DATA DOSTAWY TOWARU : 2020.06.08 UWAGI : zam. T561552 Z1 SPRZEDAWCA: "MEGA-TOOLS" S.C. Marek Śpiewak,Mirosław Śpiewak ul.Osikowa 34 87-100 Toruń NIP 9562093313 ING Bank Śląski S.A. O/Toruń 49 1050 1979 1000 0022 7285 0849 NABYWCA: Pojazdy Szynowe PESA Bydgoszcz Spółka Akcyjna ul.Zygmunta Augusta 11 85-082 Bydgoszcz NIP 554-031-17-75 [07-668] Lp Opis towaru/uslugi Ilość jm. Cena Wartosc VAT ----------------------------------------------------------------------------------------------- 1 INNE-ELEK-9512 11. szt. 66,00 726,00 23.0% Lampa warsztatowa 30LED z ładowarką ---------------------------------------------------------------------------------------------- 726,00 Rozliczenie VAT Netto Podatek Brutto ----------------------------------------------------wg stawki 23.0% : 726,00 166,98 892,98 ----------------------------------------------------- RAZEM : 726,00 166,98 892,98 DO ZAPŁATY: 892,98 PLN SŁOWNIE : osiemset dziewiecdziesiat dwa zl dziewiecdziesiat osiem gr ZAPLACONO GOTOWKA : 0,00 PLN POZOSTAŁO DO ZAPŁATY : 892,98 PLN PŁATNE : PRZELEW DO 2020.08.07 NA KONTO : 49 1050 1979 1000 0022 7285 0849 Za niezapłacone należności w terminie, będą naliczone odsetki w wysokości ustawowej. Dokument wystawiony i dostarczony nabywcy w formie elektronicznej. Wystawca dokumentu FV000821 : MIROSŁAW ŚPIEWAK """# 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