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"^\"(?'tsy_lib'.*?)\";(?:.*?;){4}\"(?'num_externe'.*?)\";(?:.*?;){3}\"(?'apt_nom'.*?)\";\"(?'apt_telephone'.*?)\";(?:.*?;)\"(?'apt_localisation'.*?)\";(?:.*?;)\"(?'ins_libl'.*?)\";(?:.*?;){5}\"(?'apt_e_mail'.*?)\";(?:.*?;){2}\"(?'commentaire_externe'.+)\"" test_str = ("\"D01.00.00\";\"005291\";\"CG45\";\"15085\";\"cnt_ext\";\"1906151751\";181856;\"A05\";\"dem_ext\";\"LARDEAU Benoit\";\"02 36 99 26 02\";\"site_ext\";\"COLLEGE PAUL ELUARD\";\"SIT_036\";\"COLLEGE PAUL ELUARD\";\"TEST_Pose d'un portier video\";\"19/06/2019 00:00\";\"SUEUR Olivier\";\"02 38 85 51 55\";\"\";\"olivier.sueur_¿_ac-orleans-tours.fr\";\"12/07/2019 00:00\";002;0;\"Pose d'un portier vidéo pour le portillon d'accès aux logements de fonction.[Test D01 BLA 20190619]\"\n\n" "\"D01.00.00\";\"005291\";\"CG45\";\"15085\";\"cnt_ext\";\"1906151755\";181860;\"A05\";\"dem_ext\";\"LARDEAU Benoit\";\"02 36 99 26 02\";\"site_ext\";\"COLLEGE LOUIS PASTEUR\";\"SIT_036\";\"COLLEGE LOUIS PASTEUR\";\"TEST_Remplacement extincteur\";\"19/06/2019 00:00\";\"PETIT Anne\";\"02 38 72 65 81\";\"\";\"anne.petit_¿_ac-orleans-tours.fr\";\"11/07/2019 00:00\";003;0;\"Bonjour, l'extincteur n° 137 839 a été déclaré inutilisable en l'état lors de la dernière vérification, date de validité dépassée. Merci de prévoir le remplacement à l'identique.\"\n\n" "\"D01.00.00\";\"005291\";\"CG45\";\"15085\";\"cnt_ext\";\"1906151750\";181855;\"A05\";\"dem_ext\";\"LARDEAU Benoit\";\"02 36 99 26 02\";\"site_ext\";\"HOTEL DU DEPARTEMENT\";\"SIT_043\";\"HOTEL DU DEPARTEMENT\";\"TEST_Remplacement prises\";\"19/06/2019 00:00\";\"DESCAMPS Matthieu\";\"02 38 25 43 01\";\"06 45 37 64 85\";\"matthieu.descamps_¿_loiret.fr\";\"26/06/2019 00:00\";003;0;\"Remplacement de quatre blocs de prises au centre de documentation. [Test D01 BLA 20190619]\"\n\n" "\"D01.00.00\";\"005291\";\"CG45\";\"15085\";\"cnt_ext\";\"1906151753\";181858;\"A05\";\"dem_ext\";\"LARDEAU Benoit\";\"02 36 99 26 02\";\"site_ext\";\"COLLEGE MONTABUZARD\";\"SIT_008\";\"SALLE POLYVALENTE MONTABUZARD\";\"TEST_Pose de serrures local stockage\";\"19/06/2019 00:00\";\"MORVAN Béatrice\";\"02 38 74 71 98\";\"\";\"beatrice.dixon_¿_ac-orleans-tours.fr\";\"27/06/2019 00:00\";002;0;\"Pose de serrures sur les trois portes d'accès au local de stockage. [Test D01 BLA 20190619]\"\n" "\"D01.00.00\";\"005291\";\"CG45\";\"15085\";\"cnt_ext\";\"1906151752\";181857;\"A05\";\"dem_ext\";\"LARDEAU Benoit\";\"02 36 99 26 02\";\"site_ext\";\"COLLEGE MONTABUZARD\";\"SIT_036\";\"COLLEGE MONTABUZARD\";\"TEST_Remplacement chauffe-eau\";\"19/06/2019 00:00\";\"MORVAN Béatrice\";\"02 38 74 71 98\";\"\";\"beatrice.dixon_¿_ac-orleans-tours.fr\";\"04/07/2019 00:00\";003;0;\"Remplacement du chauffe-eau du vestiaire du personnel [Test D01 BLA 20190619]\"\n" "\"D01.00.00\";\"005291\";\"CG45\";\"15085\";\"cnt_ext\";\"1906151754\";181859;\"A05\";\"dem_ext\";\"LARDEAU Benoit\";\"02 36 99 26 02\";\"site_ext\";\"COLLEGE CLOS FERBOIS\";\"SIT_036\";\"COLLEGE CLOS FERBOIS\";\"TEST_Pose de 6 blocs de 4 prises\";\"19/06/2019 00:00\";\"ROGER Angéline\";\"02 38 59 72 70\";\"\";\"Angeline.Roger_¿_ac-orleans-tours.fr\";\"30/08/2019 00:00\";004;0;\"Pose de 6 blocs de 4 prises en salle de dessin pour raccordements PC portables.[Test D01 BLA 20190619]\"\n") 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