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 java.util.regex.Matcher; import java.util.regex.Pattern; public class Example { public static void main(String[] args) { final String regex = "(?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]*"; final String string = "AKTURA FV000821 :JAAC*fibf:\n" + "DATA WYSTAWIENIA : 2020.06.08 ZLECENIE: 01\n" + "MIEJSCE WYSTAWIENIA : TORUŃ\n" + "DATA DOSTAWY TOWARU : 2020.06.08 UWAGI : zam. T561552 Z1\n" + "SPRZEDAWCA: \"MEGA-TOOLS\" S.C.\n" + " Marek Śpiewak,Mirosław Śpiewak ul.Osikowa 34 87-100 Toruń NIP 9562093313\n" + " ING Bank Śląski S.A. O/Toruń\n" + " 49 1050 1979 1000 0022 7285 0849\n" + " NABYWCA: Pojazdy Szynowe PESA Bydgoszcz Spółka Akcyjna ul.Zygmunta Augusta 11 85-082 Bydgoszcz\n" + " NIP 554-031-17-75\n" + " [07-668]\n" + " Lp Opis towaru/uslugi Ilość jm. Cena Wartosc VAT\n" + "-----------------------------------------------------------------------------------------------\n" + " 1 INNE-ELEK-9512 11. szt. 66,00 726,00 23.0% Lampa warsztatowa 30LED z ładowarką\n" + "---------------------------------------------------------------------------------------------- 726,00\n" + "Rozliczenie VAT Netto Podatek Brutto ----------------------------------------------------wg stawki 23.0% : 726,00 166,98 892,98 -----------------------------------------------------\n" + "RAZEM : 726,00 166,98 892,98\n" + "DO ZAPŁATY: 892,98 PLN\n" + "SŁOWNIE : osiemset dziewiecdziesiat dwa zl dziewiecdziesiat osiem gr\n" + "ZAPLACONO GOTOWKA : 0,00 PLN\n" + "POZOSTAŁO DO ZAPŁATY : 892,98 PLN\n" + "PŁATNE : PRZELEW DO 2020.08.07\n" + "NA KONTO : 49 1050 1979 1000 0022 7285 0849\n" + "Za niezapłacone należności w terminie, będą naliczone odsetki w wysokości ustawowej.\n" + "Dokument wystawiony i dostarczony nabywcy w formie elektronicznej.\n" + "Wystawca dokumentu FV000821 : MIROSŁAW ŚPIEWAK\n"; final Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE | Pattern.UNICODE_CASE); final Matcher matcher = pattern.matcher(string); while (matcher.find()) { System.out.println("Full match: " + matcher.group(0)); for (int i = 1; i <= matcher.groupCount(); i++) { System.out.println("Group " + i + ": " + matcher.group(i)); } } } }

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 Java, please visit: https://docs.oracle.com/javase/7/docs/api/java/util/regex/Pattern.html