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
Processing...

Test String

Code Generator

Language

Generated Code

using System; using System.Text.RegularExpressions; public class Example { public static void Main() { string pattern = @"(\(\""STRCONNEXION\""\)?.=?.*)\""(.*?)\"""; string input = @"<SCRIPT LANGUAGE=""VBScript"" RUNAT=Server> 'Session_OnStart S'ex�cute la premi�re fois qu'un utilisateur utilise une page de votre application 'Session_OnEnd S'ex�cute en cas de d�passement du d�lai de la session d'un utilisateur ou quand celui-ci quitte votre application 'Application_OnStart S'ex�cute une fois lorsque la premi�re page de votre application est utilis�e pour la premi�re fois par un utilisateur 'Application_OnEnd S'ex�cute une fois lors de l'arr�t du serveur Web Sub Session_OnStart 'Session(""STRCONNEXION"")=""wowoowow"" Session(""STRCONNEXION"")=""wowoowow"" 'Session(""STRCONNEXION"")=""wowoowow"" Session.Timeout = 240 Session(""Connected"") = 0 ' Utilisateur n'est pas encore authentifie Session(""langue"") = ""ita"" 'Set Session(""SiteId"") HostToSiteId End Sub Sub Session_OnEnd Session.Abandon end Sub Sub Application_OnStart Application(""Titre"") = ""GVI"" ' Composants COM Application(""AccesBannieres.Banniere"") = ""AccesBannieresGVI.Banniere"" Application(""AccesBatch.Batch"") = ""AccesBatchGVI.Batch"" Application(""AccesCheck.Check"") = ""AccesCheckGVI.Check"" Application(""AccesCibles.Cibles"") = ""AccesCiblesGVI.Cibles"" Application(""AccesCibles.Produits"") = ""AccesCiblesGVI.Produits"" Application(""AccesCommande.Commande"") = ""AccesCommandeGVI.Commande"" Application(""AccesCommunication.Communication"") = ""ACGVI.Communication"" Application(""AccesDepotVente.GestionCommande"") = ""AccesDepotVenteGVI.GestionCommande"" Application(""AccesDepotVente.InfosVo"") = ""AccesDepotVenteGVI.InfosVo"" Application(""AccesDepotVente.Mails"") = ""AccesDepotVenteGVI.Mails"" Application(""AccesEncheres.Administrateur"") = ""AccesEncheresGVI.Administrateur"" Application(""AccesEncheres.Cloture"") = ""AccesEncheresGVI.Cloture"" Application(""AccesEncheres.ListeCriteres"") = ""AccesEncheresGVI.ListeCriteres"" Application(""AccesEncheres.Utilisateur"") = ""AccesEncheresGVI.Utilisateur"" Application(""AccesFicheVO.FicheVO"") = ""AccesFicheVOGVI.FicheVO"" Application(""AccesInscriptions.Inscriptions"") = ""AIGVI.Inscriptions"" Application(""AccesListeVO.AlerteEmail"") = ""AccesListeVOGVI.AlerteEmail"" Application(""AccesListeVO.ListeCriteres"") = ""AccesListeVOGVI.ListeCriteres"" Application(""AccesListeVO.ListeCriteresDV"") = ""AccesListeVOGVI.ListeCriteresDV"" Application(""AccesListeVO.ListeVO"") = ""AccesListeVOGVI.ListeVO"" Application(""AccesListeVO.ListeVODV"") = ""AccesListeVOGVI.ListeVODV"" Application(""AccesLogin.Login"") = ""AccesLoginGVI.Login"" Application(""AccesMix.Mix"") = ""AccesMixGVI.Mix"" Application(""AccesParameters.Parameters"") = ""AccesParametersGVI.Parameters"" Application(""AccesPrevente.Prevente"") = ""AccesPreventeGVI.Prevente"" Application(""AccesPromotions.Administration"") = ""AccesPromotionsGVI.Administration"" Application(""AccesPromotions.Promotions"") = ""AccesPromotionsGVI.Promotions"" Application(""AccesReport.Reports"") = ""AccesReportGVI.Reports"" Application(""AccesStopAffaire.Administrateur"") = ""ASAGVI.Administrateur"" Application(""AccesStopAffaire.ListeCriteres"") = ""ASAGVI.ListeCriteres"" Application(""AccesStopAffaire.StopAffaire"") = ""ASAGVI.StopAffaire"" Application(""AccesSuiviHisto.SuiviHisto"") = ""AccesSuiviHistoGVI.SuiviHisto"" Application(""AccesVenteParLot.Administrateur"") = ""AVPLGVI.Administrateur"" Application(""AccesVenteParLot.ListeCriteres"") = ""AVPLGVI.ListeCriteres"" Application(""AccesVenteParLot.VenteParLot"") = ""AVPLGVI.VenteParLot"" Application(""AccesVisibilite.Visibilite"") = ""AccesVisibiliteGVI.Visibilite"" ' Nombre de r�sultat par page dans la liste VO Application(""PageToResult"") = 20 End Sub Sub HostToSiteId Dim audiHost, vwHost, currentHost audiHost = ""www.audi-lineos.it"" vwHost = ""www.vgilineos.it"" currentHost = Request.ServerVariables(""HTTP_HOST"") If currentHost = audiHost Then Session(""SiteId"") = 1 Session(""SiteName"") = ""Audi"" End If If currentHost = vwHost Then Session(""SiteId"") = 2 Session(""SiteName"") = ""VW"" End If If currentHost = ""localhost:8080"" Then Session(""SiteId"") = 2 Session(""SiteName"") = ""VW"" End If End Sub </SCRIPT> "; 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