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]
  • Character class intersection
    [\w&&[^\d]]
  • 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 = @"[\w\d]*?"":{""[\w]*?"":?\{""[\w]*?"":[0-9\d]*,""[\w]*?"":[0-9\d]*,""[\w]*?"":[0-9\d]*},""[\w]*\"":{""[\w]*\"":[0-9\d]*,""[\w]*\"":[0-9\d]*,""[\w]*\"":[0-9\d]*,""[\w]*\"":[0-9\d]*}}"; string input = @"2020-11-04 17:14:29,367 : [INFO ] GW-26-C-1 [c.n.s.s.MyKafkaConsumer:19] [GW-26-C-1] : ConsumerRecord(topic = CBBL_GP, partition = 2, leaderEpoch = 20, offset = 4386, CreateTime = 1604488454631, serialized key size = -1, serialized value size = 1139, headers = RecordHeaders(headers = [], isReadOnly = false), key = null, value = {""clientUserName"":""usersms@communitybank.com.bd"",""test"":false,""clientCbsSmsId"":""20201104_051123_S179371_22"",""txnDateTime"":{""date"":{""year"":2020,""month"":11,""day"":4},""time"":{""hour"":17,""minute"":7,""second"":22,""nano"":0}},""senderId"":""COMMUNITY_BANK"",""acctId"":""0010112519201"",""creditDebit"":""C"",""amount"":30886,""cellPhone"":""8801735654457"",""sendToNumber"":""8801735654457"",""message"":""Community Bank - Your account 001*******201 has been credited with BDT 30886 (SALARY OCTOBER-2020) on 04-Nov-20 05:14:23 PM BST. Your Current Balance is BDT 32057.38. Thank you."",""clientRequestDateTime"":{""date"":{""year"":2020,""month"":11,""day"":4},""time"":{""hour"":17,""minute"":14,""second"":14,""nano"":631000000}},""expiryDateTime"":{""date"":{""year"":2020,""month"":11,""day"":5},""time"":{""hour"":5,""minute"":14,""second"":23,""nano"":0}},""retryCount"":1,""valid"":true,""validateCell"":false,""defaultSmsLength"":160,""exceedDefaultSmsLength"":false,""telcoLocalPrefix"":""017"",""telcoName"":""GP"",""status"":""GW_PENDING"",""isDirty"":false,""customerNo"":""0112519"",""smsFormat"":""SMS_FORMAT_DEFAULT"",""unicode"":0,""includeResend"":false,""messagetype"":0,""smsResultList"":[],""version"":0,""active"":1,""tzName"":""Asia/Dhaka""})"; 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