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 = @"\[null,\[\[""\/m\/.+?],""(?<name>[^""]+)"".+?\[(?<price>[^,]+),(?<value>[^,]+),(?<percentage>[^,]+).+?\].""(?<region>[^\/]+).+?null,""(?<stock>[^""]+)"; string input = @"{""key"":""ds:6"",""hash"":""2"",""data"":[[[1,[[null,[[""/m/0cqyw"",["".DJI"",""INDEXDJX""],""Dow Jones Industrial Average"",1,null,[33745.69,199.3711,0.5943158,2,2,2],null,33546.32,null,null,null,[1668810739],""America/New_York"",-18000,""/m/0cqyw"",null,null,[1668810739],null,[[1,[2022,11,19,9,30,null,null,[-18000]],[2022,11,19,16,null,null,null,[-18000]]]],null,"".DJI:INDEXDJX""]],""Dow Jones""],[null,[[""/m/016yss"",["".INX"",""INDEXSP""],""S&P 500"",1,null,[3965.34,18.78003,0.47585818,2,2,2],null,3946.56,null,null,null,[1668810739],""America/New_York"",-18000,""/m/016yss"",null,null,[1668810739],null,[[1,[2022,11,19,9,30,null,null,[-18000]],[2022,11,19,16,null,null,null,[-18000]]]],null,"".INX:INDEXSP""]],""S&P 500""],[null,[[""/m/02853rl"",["".IXIC"",""INDEXNASDAQ""],""Nasdaq Composite"",1,null,[11146.0625,1.1044922,0.009910241,2,2,4],null,11144.958,null,null,null,[1668809759],""America/New_York"",-18000,""/m/02853rl"",null,null,[1668809759],null,[[1,[2022,11,19,9,30,null,null,[-18000]],[2022,11,19,16,null,null,null,[-18000]]]],null,"".IXIC:INDEXNASDAQ""]],""Nasdaq""],[null,[[""/m/04zvfw"",[""RUT"",""INDEXRUSSELL""],""Russell 2000 Index"",1,null,[1849.7319,10.608643,0.5768315,2,2,2],null,1839.1233,null,null,null,[1668807011],""America/New_York"",-18000,""/m/04zvfw"",null,null,[1668807011],null,[[1,[2022,11,19,9,30,null,null,[-18000]],[2022,11,19,16,null,null,null,[-18000]]]],null,""RUT:INDEXRUSSELL""]],""Russell""],[null,[[""/m/09fld6"",[""VIX"",""INDEXCBOE""],""VIX"",1,null,[23.12,-0.80999947,-3.3848703,2,2,2],null,23.93,null,null,null,[1668806101],""America/Chicago"",-21600,""/m/09fld6"",null,null,[1668806101],null,[[1,[2022,11,19,8,30,null,null,[-21600]],[2022,11,19,15,16,null,null,[-21600]]]],null,""VIX:INDEXCBOE""]],null,true]]],[2,[[null,[[""/m/0877z"",[""DAX"",""INDEXDB""],""DAX PERFORMANCE-INDEX"",1,null,[14431.86,165.48047,1.1599331,2,2,2],null,14266.38,null,null,null,[1668792624],""Europe/Berlin"",3600,""/m/0877z"",null,null,[1668790500],null,[[1,[2022,11,19,9,null,null,null,[3600]],[2022,11,19,20,null,null,null,[3600]]]],null,""DAX:INDEXDB""]],""DAX""],[null,[[""/m/02hl6w"",[""UKX"",""INDEXFTSE""],""FTSE 100 Index"",1,null,[7385.52,38.97998,0.53058964,2,2,2],null,7346.54,null,null,null,[1668789330],""Europe/London"",0,""/m/02hl6w"",null,null,[1668789330],null,[[1,[2022,11,19,8,null,null,null,[]],[2022,11,19,16,30,null,null,[]]]],null,""UKX:INDEXFTSE""]],""FTSE 100""],[null,[[""/m/016j14"",[""PX1"",""INDEXEURO""],""CAC 40"",1,null,[6644.46,68.33984,1.0392122,2,2,2],null,6576.12,null,null,null,[1668791102],""Europe/Paris"",3600,""/m/016j14"",null,null,[1668791102],null,[[1,[2022,11,19,9,null,null,null,[3600]],[2022,11,19,17,30,null,null,[3600]]]],null,""PX1:INDEXEURO""]]],[null,[null,[5,""MID Not Found: /m/04ww1p"",[]]]],[null,[[""/m/07wc6m"",[""SX5E"",""INDEXSTOXX""],""EURO STOXX 50"",1,null,[3924.84,46.420166,1.1968834,2,2,2],null,3878.42,null,null,null,[1668808983],""Europe/Berlin"",3600,""/m/07wc6m"",null,null,[1668790800],null,[[1,[2022,11,19,9,null,null,null,[3600]],[2022,11,19,18,null,null,null,[3600]]]],null,""SX5E:INDEXSTOXX""]],""STOXX 50""]]],[3,[[null,[[""/m/0b18t"",[""NI225"",""INDEXNIKKEI""],""Nikkei 225"",1,null,[27899.77,-30.800781,-0.11027624,2,2,2],null,27930.57,null,null,null,[1668752102],""Asia/Tokyo"",32400,""/m/0b18t"",null,null,[1668752102],null,[[1,[2022,11,20,9,null,null,null,[32400]],[2022,11,20,15,null,null,null,[32400]]]],null,""NI225:INDEXNIKKEI""]]],[null,[[""/m/04xk2h"",[""000001"",""SHA""],""SSE Composite Index"",1,null,[3097.2432,-18.19165,-0.5839201,2,2,2],null,3115.4348,null,null,null,[1668760195],""Asia/Shanghai"",28800,""/m/04xk2h"",null,null,[1668754830],null,[[1,[2022,11,20,9,30,null,null,[28800]],[2022,11,20,15,null,null,null,[28800]]]],null,""000001:SHA""]],""SSE""],[null,[[""/m/01nj9h"",[""HSI"",""INDEXHANGSENG""],""Hang Seng Index"",1,null,[17992.54,-53.121094,-0.29437047,2,2,2],null,18045.66,null,null,null,[1668758922],""Asia/Hong_Kong"",28800,""/m/01nj9h"",null,null,[1668758922],null,[[1,[2022,11,20,9,30,null,null,[28800]],[2022,11,20,16,null,null,null,[28800]]]],null,""HSI:INDEXHANGSENG""]],""HSI""],[null,[[""/m/046k_p"",[""SENSEX"",""INDEXBOM""],""BSE SENSEX"",1,null,[61663.48,-87.12109,-0.14108542,2,2,2],null,61750.6,null,null,null,[1668766200],""Asia/Calcutta"",19800,""/m/046k_p"",null,null,[1668766200],null,[[1,[2022,11,20,9,55,null,null,[19800]],[2022,11,20,15,30,null,null,[19800]]]],null,""SENSEX:INDEXBOM""]],""SENSEX""],[null,[[""/m/04t5sp"",[""NIFTY_50"",""INDEXNSE""],""NIFTY 50"",1,null,[18307.65,-36.25,-0.19761337,2,2,2],null,18343.9,null,null,null,[1668765687],""Asia/Calcutta"",19800,""/m/04t5sp"",null,null,[1668765687],null,[[1,[2022,11,20,9,15,null,null,[19800]],[2022,11,20,15,30,null,null,[19800]]]],null,""NIFTY_50:INDEXNSE""]],null,true]]],[4,[[null,[[""/g/11bvvzh029"",null,""EUR / USD"",3,null,[1.0345499999999999,0.00009999999999998899,0.00966697278747054,4,6,4],null,1.0344499999999999,null,null,null,[1668886740],null,0,""/g/11bvvzh029"",[""EUR"",""USD"",""Euro"",""United States Dollar"",""/m/02l6h"",""/m/09nqf"",1],null,[1668886740],null,[],null,""EUR-USD"",null,null,2]]],[null,[[""/g/11bvvznqzd"",null,""USD / JPY"",3,null,[140.345,0,0,4,4,2],null,140.345,null,null,null,[1668886740],null,0,""/g/11bvvznqzd"",[""USD"",""JPY"",""United States Dollar"",""Japanese yen"",""/m/09nqf"",""/m/088n7"",1],null,[1668886740],null,[],null,""USD-JPY"",null,null,2]]],[null,[[""/g/11bvv_1vxq"",null,""GBP / USD"",3,null,[1.18885,-0.0006500000000000394,-0.054644808743172714,4,5,3],null,1.1895,null,null,null,[1668888060],null,0,""/g/11bvv_1vxq"",[""GBP"",""USD"",""Pound sterling"",""United States Dollar"",""/m/01nv4h"",""/m/09nqf"",1],null,[1668887760],null,[],null,""GBP-USD"",null,null,2]]],[null,[[""/g/11bvvzdz__"",null,""USD / CAD"",3,null,[1.3409499999999999,0,0,4,4,2],null,1.3409499999999999,null,null,null,[1668886740],null,0,""/g/11bvvzdz__"",[""USD"",""CAD"",""United States Dollar"",""Canadian dollar"",""/m/09nqf"",""/m/0ptk_"",1],null,[1668886740],null,[],null,""USD-CAD"",null,null,2]]],[null,[[""/g/11bvvzl6x6"",null,""AUD / USD"",3,null,[0.6675,0,0,4,4,2],null,0.6675,null,null,null,[1668886740],null,0,""/g/11bvvzl6x6"",[""AUD"",""USD"",""Australian dollar"",""United States Dollar"",""/m/0kz1h"",""/m/09nqf"",1],null,[1668886740],null,[],null,""AUD-USD"",null,null,2]]]]],[5,[[null,[[""/g/11bvvxp7st"",null,""Bitcoin (BTC / USD)"",3,null,[16609.8,-70.60000000000218,-0.42325124097744765,2,2,2],null,16680.4,null,null,null,[1668888000],null,0,""/g/11bvvxp7st"",[""BTC"",""USD"",""Bitcoin"",""United States Dollar"",""/m/05p0rrx"",""/m/09nqf"",2],null,[1668887708],null,[],null,""BTC-USD"",null,null,2]],""Bitcoin""],[null,[[""/g/11hd9nkpmd"",null,""Ether (ETH / USD)"",3,null,[1207.19,-3.6099999999999,-0.2981499834819871,2,2,2],null,1210.8,null,null,null,[1668888001],null,0,""/g/11hd9nkpmd"",[""ETH"",""USD"",""Ether"",""United States Dollar"",""/g/11ggdwqycn"",""/m/09nqf"",2],null,[1668887709],null,[],null,""ETH-USD"",null,null,2]],""Ethereum""],[null,[[""/g/11q8vq34kw"",null,""Cardano (ADA / USD)"",3,null,[0.3282609744,0.002471213899999991,0.7585302546671018,4,4,2],null,0.3257897605,null,null,null,[1668888036],null,0,""/g/11q8vq34kw"",[""ADA"",""USD"",""Cardano"",""United States Dollar"",""/g/11gf2dcwbj"",""/m/09nqf"",2],null,[1668887725],null,[],null,""ADA-USD"",null,null,2]],""Cardano""],[null,[[""/g/11rg2k9qn0"",null,""XRP (XRP / USD)"",3,null,[0.38174440190000003,-0.0008805340999999967,-0.23012982614389685,4,5,2],null,0.382624936,null,null,null,[1668887952],null,0,""/g/11rg2k9qn0"",[""XRP"",""USD"",""XRP"",""United States Dollar"",""/g/11ggfsh1hd"",""/m/09nqf"",2],null,[1668887801],null,[],null,""XRP-USD"",null,null,2]],""XRP""],[null,[[""/g/11q8vq3ffv"",null,""Dogecoin (DOGE / USD)"",3,null,[0.08393857584,-0.0005996899199999933,-0.7093709749174223,4,5,2],null,0.08453826576,null,null,null,[1668888069],null,0,""/g/11q8vq3ffv"",[""DOGE"",""USD"",""Dogecoin"",""United States Dollar"",""/m/0zmxk9t"",""/m/09nqf"",2],null,[1668887725],null,[],null,""DOGE-USD"",null,null,2]],""Dogecoin""]]],[7,[[null,[[""/g/11k6xmv01l"",[""YMW00"",""CBOT""],""E-mini Dow ($5)"",4,""USD"",[33766,185,0.5509068,2,2,2],null,33581,null,null,null,[1668824710],null,null,""/g/11k6xmv01l"",null,null,[1668824710],null,[],null,""YMW00:CBOT"",0,""/g/11r76zq4m4"",null,""YMW00:CBOT""]],""Dow Futures""],[null,[[""/g/11qp47krkt"",[""ESW00"",""CME_EMINIS""],""E-mini S&P 500"",4,""USD"",[3971.5,16.25,0.41084635,2,2,2],null,3955.25,null,null,null,[1668824711],null,null,""/g/11qp47krkt"",null,null,[1668824711],null,[],null,""ESW00:CME_EMINIS"",0,""/g/11r76zq4m4"",null,""ESW00:CME_EMINIS""]],""S&P Futures""],[null,[[""/g/11m_l9d5rm"",[""NQW00"",""CME_EMINIS""],""E-mini NASDAQ 100"",4,""USD"",[11711,0.5,0.0042696726,2,2,4],null,11710.5,null,null,null,[1668824715],null,null,""/g/11m_l9d5rm"",null,null,[1668824715],null,[],null,""NQW00:CME_EMINIS"",0,""/g/11r76zq4m4"",null,""NQW00:CME_EMINIS""]],""Nasdaq Futures""],[null,[[""/g/11k6xp8txw"",[""GCW00"",""COMEX""],""Gold"",4,""USD"",[1766.699951171875,-11.100098,-0.62437266,2,2,2],null,1777.800049171875,null,null,null,[1668824707],null,null,""/g/11k6xp8txw"",null,null,[1668824707],null,[],null,""GCW00:COMEX"",0,""/g/11r76_zgg7"",null,""GCW00:COMEX""]],""Gold""],[null,[[""/g/11qp48vrxw"",[""CLW00"",""NYMEX""],""Crude Oil"",4,""USD"",[80.26000213623047,-1.1399994,-1.4004906,2,2,2],null,81.40000153623046,null,null,null,[1668824711],null,null,""/g/11qp48vrxw"",null,null,[1668824711],null,[],null,""CLW00:NYMEX"",0,""/g/11ppplysxg"",null,""CLW00:NYMEX""]],""Crude Oil""]]]],1],""sideChannel"":{}}"; 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