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

using System; using System.Text.RegularExpressions; public class Example { public static void Main() { string pattern = @"^.*<SRVCNAME>(?<SRVCNAME>[\/\w\?=]+)(<\/SRVCNAME>)?((<MESSAGETYPE>(?<MESSAGETYPE>.+?)<\/MESSAGETYPE>)?)?(<PROCESSORNAME>(?<PROCESSORNAME>.+)<\/PROCESSORNAME>)?(<CLNTIP>(?<CLNTIP>.+)<\/CLNTIP>)?(<TRANID>(?<TRANID>.+)<\/TRANID>)?(<TIMESTAMP>(?<TIMESTAMP>.+)<\/TIMESTAMP>)?(<TIMEELAPSED>(?<TIMEELAPSED>.+)<\/TIMEELAPSED>)?(<DOMAINNAME>(?<DOMAINNAME>.+)<\/DOMAINNAME>)?(<DEVICESERIALNUM>(?<DEVICESERIALNUM>.+)<\/DEVICESERIALNUM>)?((<INPUTMSG>)?(?<INPUTMSG>.*)(:?<\/INPUTMSG>.*))?(<\/CommonLoggingService>)?(?<line_breaker>(\<\?xml version=""1\.0"" encoding=""UTF-8""\?>)?)?"; string input = @"<CommonLoggingService><SRVCNAME>/apij/mme/telematics/GetAlertHistory</SRVCNAME><MESSAGETYPE>response</MESSAGETYPE><PROCESSORNAME>EAI-ROUTER-MPG</PROCESSORNAME><CLNTIP>53.30.178.253:36682</CLNTIP><TRANID>477312335</TRANID><TIMESTAMP>2017-10-05T11:04:50-04:00</TIMESTAMP><TIMEELAPSED>360</TIMEELAPSED><DOMAINNAME>EAIProd</DOMAINNAME><DEVICESERIALNUM>7803112</DEVICESERIALNUM><INPUTMSG>{""Data"":{""Alerts"":[],""SpeedAlerts"":[]},""Response"":{""ResponseCode"":""1003"",""ResponseDescription"":""No Records Found""}}</INPUTMSG></CommonLoggingService> <CommonLoggingService><SRVCNAME>/apij/mme/aftersales/service/services/vmilite/4JGDA0EB4FA472807</SRVCNAME><MESSAGETYPE>response</MESSAGETYPE><PROCESSORNAME>EAI-ROUTER-MPG</PROCESSORNAME><CLNTIP>53.30.178.250:36721</CLNTIP><TRANID>533680495</TRANID><TIMESTAMP>2017-10-05T11:05:12-04:00</TIMESTAMP><TIMEELAPSED>505</TIMEELAPSED><DOMAINNAME>EAIProd</DOMAINNAME><DEVICESERIALNUM>7803070</DEVICESERIALNUM><INPUTMSG>{""vin"":""4JGDA0EB4FA472807"",""model"":""ML250BTC"",""year"":""2015"",""engineNo"":""65196032390143"",""transmission"":""72290810204344"",""prodDate"":""08/29/2014"",""sellingDealer"":""14146"",""primaryStatus"":""NORMAL"",""warSale"":{""wsStrDate"":""10/30/2014""}}</INPUTMSG></CommonLoggingService>e><SRVCNAME>/apij/mme/telematics/QueryAccountDetails</SRVCNAME><MESSAGETYPE>response</MESSAGETYPE><PROCESSORNAME>EAI-ROUTER-MPG</PROCESSORNAME><CLNTIP>53.30.178.252:36695</CLNTIP><TRANID>222825457</TRANID><TIMESTAMP>2017-10-05T11:05:12-04:00</TIMESTAMP><TIMEELAPSED>804</TIMEELAPSED><DOMAINNAME>EAIProd</DOMAINNAME><DEVICESERIALNUM>7803112</DEVICESERIALNUM><INPUTMSG>{""context"":{""SourceName"":""WEB"",""TransactionId"":""6K5U4YTE3023E1VDMW5Q8MU6ZT5S3R"",""Timestamp"":""2017-10-05T15:05:10.583Z"",""Organization"":""Mercedes-Benz"",""Region"":""US"",""ApplicationName"":""Android""},""Data"":{""CustomerTier"":""Customer"",""ESAFlag"":""M"",""AccountName"":""MBRACE FLEET"",""Address"":{""AddressDetails"":[{""Address1"":""2002 SUMMIT BLVD"",""Address2"":"",""City"":""BROOKHAVEN"",""StateProvince"":""GA"",""Country"":""USA"",""County"":""GA"",""ZipCode"":""30319-1560"",""AddressType"":""Mailing Address"",""PrimaryAddressFlag"":""Y""}]},""Phone"":{""PrimaryPhone"":{""PhoneNumber"":""4047800377"",""CountryCode"":""},""CellPhone"":{""PhoneNumber"":"",""CountryCode"":""},""HomePhone"":{""PhoneNumber"":"",""CountryCode"":""},""WorkPhone"":{""PhoneNumber"":"",""CountryCode"":""},""Fax"":{""PhoneNumber"":"",""CountryCode"":""},""PrimaryPhoneType"":""},""EMail"":{},""Contact"":{""Name"":{""FirstName"":""MBRACE"",""MiddleName"":"",""LastName"":""FLEET"",""Prefix"":"",""Suffix"":"",""PersonUId"":""1-5346007""},""Address"":{""AddressDetails"":[{""Address1"":""2002 SUMMIT BLVD"",""Address2"":"",""City"":""BROOKHAVEN"",""StateProvince"":""GA"",""Country"":""USA"",""County"":"",""ZipCode"":""30319-1560"",""AddressType"":""Mailing Address"",""PrimaryAddressFlag"":""Y"",""Longitude"":"",""Latitude"":""}]},""Phone"":{""PrimaryPhone"":{""PhoneNumber"":""4047800377"",""CountryCode"":""},""CellPhone"":{""PhoneNumber"":""4047800377"",""CountryCode"":""},""HomePhone"":{""PhoneNumber"":"",""CountryCode"":""},""WorkPhone"":{""PhoneNumber"":""4047800377"",""CountryCode"":""},""Fax"":{""PhoneNumber"":"",""CountryCode"":""},""PrimaryPhoneType"":""Mobile""},""Email"":{""Email"":[{""EmailAddress"":""dele.nonyejohn@verizon.com""}]},""ContactType"":""Primary"",""PreferredContactMethod"":""Email Address"",""AlternateContactMethod"":""Home Phone #"",""ServiceMSGContactMethod"":""Email"",""ServiceMSGPhoneNumber"":""Mobile Phone #"",""ServiceMSGWirelessCarrier"":"",""TimeZone"":"",""OptionalFlag"":""N"",""PIN"":""8744"",""Comments"":""},""AccountNumber"":""38184765"",""AccountType"":""Subscriber"",""AccountStatus"":""Active"",""PreferredDealer"":"",""AANFlag"":""Y"",""SalesDealer"":"",""EmergencyFirstName"":"",""EmergencyLastName"":"",""EmergencyPhone"":"",""Relationship"":""},""Response"":{""ResponseCode"":""00"",""ResponseStatus"":""SUCCESS"",""ResponseDescription"":""ACCOUNT INFORMATION FOUND.""}}</INPUTMSG></CommonLoggingService><?xml version=""1.0"" encoding=""UTF-8""?> <CommonLoggingService><SRVCNAME>/apij/mme/customer/services/finAccountInfo/?vin=WDC0J4KB1HF232726</SRVCNAME><MESSAGETYPE>response</MESSAGETYPE><PROCESSORNAME>EAI-ROUTER-MPG</PROCESSORNAME><CLNTIP>53.30.178.248:36776</CLNTIP><TRANID>533647919</TRANID><TIMESTAMP>2017-10-05T11:04:50-04:00</TIMESTAMP><TIMEELAPSED>220</TIMEELAPSED><DOMAINNAME>EAIProd</DOMAINNAME><DEVICESERIALNUM>7803070</DEVICESERIALNUM><INPUTMSG> <CommonLoggingService><SRVCNAME>/apij/mme/aftersales/service/services/vmilite/WDC0G4JB0HV006098</SRVCNAME><MESSAGETYPE>request</MESSAGETYPE><PROCESSORNAME>EAI-ROUTER-MPG</PROCESSORNAME><CLNTIP>53.30.178.251:33618</CLNTIP><TRANID>477313711</TRANID><TIMESTAMP>2017-10-05T11:04:50-04:00</TIMESTAMP><TIMEELAPSED>1</TIMEELAPSED><DOMAINNAME>EAIProd</DOMAINNAME><DEVICESERIALNUM>7803112</DEVICESERIALNUM><INPUTMSG/></CommonLoggingService>e><?xml version=""1.0"" encoding=""UTF-8""?> <CommonLoggingService><SRVCNAME>/apij/mme/telematics/VehicleTra<?xml version=""1.0"" encoding=""UTF-8""?> <CommonLoggingService><SRVCNAME>/apij/mme/telematics/VehicleTrackingStatus</SRVCNAME><MESSAGETYPE>response</MESSAGETYPE><PROCESSORNAME>EAI-ROUTER-MPG</PROCESSORNAME><CLNTIP>53.30.178.248:33990</CLNTIP><TRANID>221204193</TRANID><TIMESTAMP>2017-10-05T11:22:26-04:00</TIMESTAMP><TIMEELAPSED>377</TIMEELAPSED><DOMAINNAME>EAIProd</DOMAINNAME><DEVICESERIALNUM>7803070</DEVICESERIALNUM><INPUTMSG>{""context"":{""SourceName"":""WEB"",""TransactionId"":""CGYWNXEGF9RDY7VDEJUYN8S2HESDAB"",""Timestamp"":""2017-10-05T15:22:24.772Z"",""Organization"":""Mercedes-Benz"",""Region"":""US"",""ApplicationName"":""Android""},""Data"":{""trackingMode"":""STOP"",""trackingInterval"":0},""Response"":{""ResponseCode"":""2000"",""ResponseStatus"":""Success"",""ResponseDescription"":""Successful Execution""}}</INPUTMSG></CommonLoggingService>-ROUTER-MPG</PROCESSORNAME><CLNTIP>53.30.178.250:36775</CLNTIP><TRANID>223870097</TRANID><TIMESTAMP>2017-10-05T11:22:26-04:00</TIMESTAMP><TIMEELAPSED>995</TIMEELAPSED><DOMAINNAME>EAIProd</DOMAINNAME><DEVICESERIALNUM>7803112</DEVICESERIALNUM><INPUTMSG>{""Response"":{""Tracing"":{""TraceID"":""JA6RH30553DV1O4WL2U638O4C2MVF3"",""TraceTimestamp"":""2017-10-05T11:22:25.656Z""},""ResponseCode"":""2000"",""ResponseStatus"":""Success"",""ResponseDescription"":""Successful Execution""}}</INPUTMSG></CommonLoggingService><?xml version=""1.0"" encoding=""UTF-8""?>"; 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