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

/
/
g

Test String

Code Generator

Language

Generated Code

using System; using System.Text.RegularExpressions; public class Example { public static void Main() { string pattern = @"""\w+""=.+?,(?="")"; string input = @"{""Ra03""=0,""Ra10""=0,""CellWom""=(0,0),""RaTableRaw""=(<00550060001d001e0025002c001f0023002200230028002b002f004a00a90119>,<0000005d001c001d0024002b001f00240023002400280029002e0046009700fb>,<00550060001d001e0024002b001f0022002100220027002a002d0048009b0103>),""Qstart""=0,""AdapterPower""=1091223498,""DailyMinSoc""=93,""Ra04""=0,""CurrentSenseMonitorStatus""=0,""Ra11""=0,""CellVoltage""=(4314,4313,4312),""PackCurrentAccumulator""=961564,""PassedCharge""=18446744073709551404,""Flags""=16777729,""PresentDOD""=(1,1,1),""Ra05""=0,""Ra12""=0,""FccComp1""=8690,""ChemID""=20784,""iMaxAndSocSmoothTable""=<0000000000000000000000000000000000000000000000000000000000000000>,""FccComp2""=8690,""PackCurrentAccumulatorCount""=45405,""DOD0""=(528,520,520),""Ra06""=0,""ResScale""=0,""Ra13""=0,""WeightedRa""=0,""FilteredCurrent""=0,""RSS""=0,""CellCurrentAccumulatorCount""=0,""Serial""=""F5D21977VYGQ1LWB0"",""DataFlashWriteCount""=1764,""DailyMaxSoc""=100,""Ra07""=0,""Ra14""=0,""MaxCapacity""=100,""ChemicalWeightedRa""=0,""Ra00""=0,""BatteryHealthMetric""=0,""DesignCapacity""=8694,""Ra08""=0,""BatteryState""=<0000000000000000c3e4001206010002>,""CellCurrentAccumulator""=(0,0),""AlgoChemID""=20784,""MfgData""=<000000000b0001000a1400000431393136033030320341544c00090000000000>,""ManufactureDate""=62879213563955,""ISS""=0,""Ra01""=0,""Soc1Voltage""=0,""QmaxDisqualificationReason""=0,""ChargeAccum""=0,""SimRate""=0,""Qmax""=(9174,9189,9180),""PMUConfigured""=4624,""ITMiscStatus""=0,""StateOfCharge""=100,""Ra09""=0,""GaugeFlagRaw""=224,""CycleCount""=2,""Voltage""=12939,""SystemPower""=1091238263,""LifetimeData""={""Raw""=<016d9b49000028a10000000000000000016dc3ea0000c7e440120000000000000029000f10ed0de132c129ba24bce07e2d5fdafbe07edafb00ee0001a0280001>,""UpdateTime""=1676429353,""ResistanceUpdatedDisabledCount""=0,""CycleCountLastQmax""=0,""TimeAtHighSoc""=<00000000610000002600000000000000000000000000000000000000000000000300000000000000000000000000000000000000000000000000000067000000c10000000000000000000000000000000000000000000000171700003c01000002000000000000000000000000000000>,""TemperatureSamples""=106536,""TotalOperatingTime""=6658,""MaximumDischargeCurrent""=18446744073709543550,""MinimumPackVoltage""=10682,""MaximumPackVoltage""=12993,""MaximumChargeCurrent""=9404,""AverageTemperature""=18446744073709551598,""MinimumTemperature""=15,""RDISCnt""=0,""MaximumTemperature""=41},""Ra02""=0}"; foreach (Match m in Regex.Matches(input, pattern)) { 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