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

# coding=utf8 # the above tag defines encoding for this document and is for Python 2.x compatibility import re regex = r"(?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]*" test_str = ("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") matches = re.finditer(regex, test_str, re.MULTILINE | re.UNICODE) for matchNum, match in enumerate(matches, start=1): print ("Match {matchNum} was found at {start}-{end}: {match}".format(matchNum = matchNum, start = match.start(), end = match.end(), match = match.group())) for groupNum in range(0, len(match.groups())): groupNum = groupNum + 1 print ("Group {groupNum} found at {start}-{end}: {group}".format(groupNum = groupNum, start = match.start(groupNum), end = match.end(groupNum), group = match.group(groupNum))) # Note: for Python 2.7 compatibility, use ur"" to prefix the regex and u"" to prefix the test string and substitution.

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 Python, please visit: https://docs.python.org/3/library/re.html