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

/
/
gm

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"(?:.*?Descritivo ){2}(.*)" test_str = "Nota de Lançamento\\r\\n\\r\\nNr.Doc. 11872640706\\r\\n\\r\\n \\r\\n\\r\\nConta Depósitos à Ordem nº: 2029241\\r\\nMoeda da Conta: EUR\\r\\nIBAN: PT50003300000000202924105 VIAGENS ABREU SA\\r\\nNº Contribuinte: 500297177 PC TRINDADE 142 4 ANDAR\\r\\n4000-539 PORTO\\r\\n\\r\\nCE04475/01\\r\\nGestor de Cliente\\r\\nCARLOS ALBERTO OLIVEIRA\\r\\nTel: 211136566\\r\\nAV PROF DR CAVACO SILVA 30 EDF 2 0 B\\r\\nTAGUS PARK\\r\\nFax: 211136989\\r\\ne-mail: CARLOS.MAGALHAESOLIVEIRA@MILLENNIUMBCP.PT\\r\\n\\r\\nLisboa, 31 de agosto de 2020\\r\\n\\r\\nExmos. Senhores,\\r\\nInformamos que, relativamente à conta de Depósitos à Ordem acima mencionada, efetuámos o(s) seguinte(s) movimento(s):\\r\\n\\r\\nOperação: TRANSFERÊNCIA PERMANENTE DE FUNDOS A DÉBITO\\r\\nTipo de Operação: Ordem Permanente Intrabancária (para conta do Millennium bcp)\\r\\nNossa Referência: TNP200731131431O9210/0001\\r\\n\\r\\nDados da Operação Moeda\\r\\n\\r\\nMontante da Transferência 2.134,98 EUR\\r\\nDescritivo da Transferência na Conta a Debitar TRF P/ MADALENA FRANCO DE SOUSA E FILHOS\\r\\nIBAN da Conta do Destinatário PT50003300004523630143205\\r\\nInstituição de Crédito de Destino BANCO COMERCIAL PORTUGUES, SA\\r\\nDescritivo VIAGENS ABREU, S.A. . 202008\\r\\nPeriodicidade da Transferência MENSAL\\r\\nData de Validade da Instrução Permanente 2020/12/31\\r\\nData do Movimento 2020/08/31\\r\\nData Valor da Operação 2020/08/31\\r\\n\\r\\nBanco Comercial Português, S.A., sociedade aberta - Sede: Praça D. João I, 28, Porto, Capital Social: Euros 4.725.000.000,00 - Matric. na Cons. do Reg. Com. do Porto, com o nº único de matrícula e de identificação fiscal 501 525 882\\r\\nCom os nossos melhores cumprimentos,\\r\\n\\r\\n \\r\\nBanco Comercial Português, S.A.\\r\\n\\r\\n(Documento Processado por Computador) Pág. 1/1 \\r\\n\\r\\n707 50 24 24\\r\\nwww.millenniumbcp.pt Atendimento personalizado 24H" matches = re.finditer(regex, test_str, re.MULTILINE) 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