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 = @"""[a-zA-Z0-9 -\/\[\]_:.\(\)@\""\-,]*"",|[""[a-zA-Z0-9 -\/\[\]_:.\(\)@\""\-,]*""],|},"; string input = @"{ ""slug"": ""submit/82276720931155/"", ""file_server"": ""go-sub3"", ""temp_upload"": { ""q95_input95"": [""iShares-Fund-Changes-June-2018-vF.PDF""] }, ""q44_gi_LegalEntityName"": ""Test 96"", ""q43_gi_Address"": { ""addr_line1"": ""96"", ""addr_line2"": "", ""city"": ""New York"", ""state"": ""NY"", ""postal"": ""10096"", ""country"": ""United States"" }, ""q45_gi_PhoneNumber"": { ""full"": ""(969) 696-9696"" }, ""q47_gi_FaxNumber"": { ""full"": "" }, ""q48_gi_CompanyWebsite"": "", ""q49_gi_DateOfIncorporation"": { ""year"": "", ""month"": "", ""day"": "" }, ""q50_gi_StateOfIncorporation"": { ""addr_line1"": "", ""addr_line2"": "", ""city"": "", ""state"": "", ""postal"": "", ""country"": "" }, ""q51_gi_TaxID"": ""96"", ""q58_gi_RegulatoryAuth"": "", ""q59_gi_LeiNumber"": "", ""q60_gi_LargeTraderID"": "", ""q62_gi_ComplianceContact"": { ""first"": "", ""last"": "" }, ""q64_gi_ComplianceEmail"": "", ""q63_gi_CompliancePhoneNumber"": { ""full"": "" }, ""q67_gi_IsSubsidiaryName"": "", ""q68_gi_IsSubsidiaryAddress"": "", ""q69_gi_IsSubsidiaryJurisdiction"": "", ""q70_gi_IsSubsidiaryRegulator"": "", ""q75_sc_OpsContact"": { ""first"": "", ""last"": "" }, ""q77_sc_OpsEmail"": "", ""q76_sc_OpsPhone"": { ""full"": "" }, ""q80_sc_OmgeoAcronym"": "", ""q81_sc_OmgeoAccessCode"": "", ""q82_sc_DTCNumber"": "", ""q83_sc_MPID"": "", ""q84_sc_AgentBankNumber"": "", ""q85_sc_InternalAccountNumber"": "", ""q86_sc_InstDelivery"": "", ""q87_sc_InterestedPartyID"": "", ""q88_sc_Custodian"": "", ""q89_sc_Euroclear"": "", ""q90_sc_Cedel"": "", ""q92_sc_ConfirmsEmail"": "", ""q101_ct_InstitutionalDVP"": { ""other"": "" }, ""q102_ct_InstitutionalDVPTypePublicDescription"": "", ""q108_ct_SectionA"": [""Trust Co.""], ""q114_ct_SectionC"": { ""other"": "" }, ""q116_id_SectionA"": { ""0"": ""For a corporation, a Corporate Resolution and, if available, incorporation documents such as Articles of Incorporation and By-Laws"", ""other"": "" }, ""q121_ac_ControllingCustomerRelationship"": "", ""q123_ac_RegulatorBeneficialOwner"": ""No"", ""q125_ac_AccountBase"": "", ""q130_ac_CommercialEntity"": "", ""q132_ac_CommercialEntityOutsideUSFundsCountry"": { ""addr_line1"": "", ""addr_line2"": "", ""city"": "", ""state"": "", ""postal"": "", ""country"": "" }, ""q152_ac_ConfirmNeitherPrivBank"": { ""other"": "" }, ""q138_ac_CustomerRelationship"": ""Hi"", ""q161_signature"": ""Signed by David Test (dd@brownstone.com)"", ""q56_approvalStatus"": "", ""q159_ip"": "", ""q57_typeA"": ""https://form.jotform.com/82276720931155"", ""event_id"": ""1537887682362_82276720931155_ZPG71XZ"", ""q66_gi_IsSubsidiary"": "", ""q78_sc_Omgeo"": "", ""q91_sc_Confirms"": "", ""q97_sc_StructuredSecurities"": "", ""q98_sc_StructuredSecuritiesUnderstand"": "", ""q105_ct_MunicipalEntity"": "", ""q109_ct_SectionA2"": "", ""q111_ct_SectionB"": "", ""q112_ct_SectionBRelyingAdviser"": "", ""q120_ac_ControllingCustomer"": "", ""q126_ac_AMLProgram"": "", ""q128_ac_AMLRepresentationType"": "", ""q131_ac_CommercialEntityOutsideUSFunds"": "", ""q133_ac_CommercialEntityOutsideUSPresence"": "", ""q134_ac_CommercialEntityOutsideUSServiceShellBanks"": "", ""q157_id_SectionANA"": "", ""input95"": [""https://www.jotform.com/uploads/ddinner/82276720931155/4136970043522095790/iShares-Fund-Changes-June-2018-vF.PDF""] } "; 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