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

/
/
gm

Test String

Code Generator

Generated Code

using System; using System.Text.RegularExpressions; public class Example { public static void Main() { string pattern = @"^""(?'tsy_lib'.*?)"";(?:.*?;){4}""(?'num_externe'.*?)"";(?:.*?;){3}""(?'apt_nom'.*?)"";""(?'apt_telephone'.*?)"";(?:.*?;)""(?'apt_localisation'.*?)"";(?:.*?;)""(?'ins_libl'.*?)"";(?:.*?;){5}""(?'apt_e_mail'.*?)"";(?:.*?;){2}""(?'commentaire_externe'.+)"""; string input = @"""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]"" ""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."" ""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]"" ""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]"" ""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]"" ""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]"" "; RegexOptions options = RegexOptions.Multiline; foreach (Match m in Regex.Matches(input, pattern, options)) { Console.WriteLine("'{0}' found at index {1}.", m.Value, m.Index); } } }

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 C#, please visit: https://msdn.microsoft.com/en-us/library/system.text.regularexpressions.regex(v=vs.110).aspx