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

r"
"
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"^- ([^\r\n-]*) - ([^\r\n-]*) - Coord\." test_str = ("Fica outorgada, em nome da PREFEITURA MUNICIPAL DE\n" "JUQUIÁ, CNPJ n. 46.585.964/0001-40, a autorização administrativa para interferência(s) em recursos hídricos superficiais, para\n" "fins de rodoviário no município de JUQUIÁ, conforme abaixo\n" "identificado:\n" "- Travessia Aérea 01 - Afluente do Rio Juquiá - Coord.\n" "Geográficas Latitude S 24° 19' 54,00\" - Longitude o 47° 38'\n" "54,10\" - Prazo 30 anos.\n" "- Travessia Aérea 02 - Afluente do Rio Juquiá - Coord.\n" "Geográficas Latitude S 24° 19' 58,00\" - Longitude o 47° 38'\n" "52,20\" - Prazo 30 anos.\n" "- Travessia Aérea 03 - Afluente do Rio Juquiá - Coord.\n" "Geográficas Latitude S 24° 19' 58,00\" - Longitude o 47° 38'\n" "52,00\" - Prazo 30 anos.\n" "- Travessia Aérea 04 - Afluente do Rio Juquiá - Coord.\n" "Geográficas Latitude S 24° 19' 59,00\" - Longitude o 47° 38'\n" "51,70\" - Prazo 30 anos.\n" "- Travessia Aérea 05 - Afluente do Rio Juquiá - Coord.\n" "Geográficas Latitude S 24° 19' 59,40\" - Longitude o 47° 38'\n" "51,50\" - Prazo 30 anos.\n" "- Travessia Aérea 06 - Afluente do Rio Juquiá - Coord.\n" "Geográficas Latitude S 24° 19' 59,90\" - Longitude o 47° 38'\n" "51,30\" - Prazo 30 anos. Processo DAEE 9502113 - Extrato de\n" "Portaria 4063/19.") 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