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

re = /[\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]*}}/m str = '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"})' # Print the match result str.scan(re) do |match| puts match.to_s end

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 Ruby, please visit: http://ruby-doc.org/core-2.2.0/Regexp.html