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 = @"(?siU).*\""temp\"":(.*),.*\""description\"":\""(.*)\"".*daily.*\""dt\"":(.*),.*\""min\"":(.*),.*\""max\"":(.*),.*\""description\"":\""(.*)\"".*\""dt\"":(.*),.*\""min\"":(.*),.*\""max\"":(.*),.*\""description\"":\""(.*)\"".*\""dt\"":(.*),.*\""min\"":(.*),.*\""max\"":(.*),.*\""description\"":\""(.*)\"".*\""dt\"":(.*),.*\""min\"":(.*),.*\""max\"":(.*),.*\""description\"":\""(.*)\"".*\""dt\"":(.*),.*\""min\"":(.*),.*\""max\"":(.*),.*\""description\"":\""(.*)\"".*\""dt\"":(.*),.*\""min\"":(.*),.*\""max\"":(.*),.*\""description\"":\""(.*)\"".*\""dt\"":(.*),.*\""min\"":(.*),.*\""max\"":(.*),.*\""description\"":\""(.*)\"".*\""dt\"":(.*),.*\""min\"":(.*),.*\""max\"":(.*),.*\""description\"":\""(.*)\"".*"; string input = @"{""lat"":-34.08,""lon"":150.79,""timezone"":""Australia/Sydney"",""current"":{""dt"":1588385816,""sunrise"":1588365147,""sunset"":1588403702,""temp"":17.07,""feels_like"":11.01,""pressure"":1003,""humidity"":46,""dew_point"":5.37,""uvi"":3.47,""clouds"":0,""wind_speed"":7.15,""wind_deg"":6,""wind_gust"":12.52,""weather"":[{""id"":800,""main"":""Clear"",""description"":""clear sky"",""icon"":""01d""}]},""daily"":[{""dt"":1588381200,""sunrise"":1588365147,""sunset"":1588403702,""temp"":{""day"":17.07,""min"":8.55,""max"":17.07,""night"":8.55,""eve"":14.09,""morn"":17.07},""feels_like"":{""day"":12.24,""night"":4.21,""eve"":8.47,""morn"":12.24},""pressure"":1003,""humidity"":46,""dew_point"":5.37,""wind_speed"":5.39,""wind_deg"":279,""weather"":[{""id"":800,""main"":""Clear"",""description"":""clear sky"",""icon"":""01d""}],""clouds"":0,""uvi"":3.47},{""dt"":1588467600,""sunrise"":1588451594,""sunset"":1588490045,""temp"":{""day"":14.88,""min"":7.68,""max"":17.78,""night"":8.4,""eve"":16.89,""morn"":8.56},""feels_like"":{""day"":10.2,""night"":5.52,""eve"":14.86,""morn"":4.49},""pressure"":1018,""humidity"":44,""dew_point"":3.39,""wind_speed"":4.47,""wind_deg"":218,""weather"":[{""id"":800,""main"":""Clear"",""description"":""clear sky"",""icon"":""01d""}],""clouds"":0,""uvi"":3.57},{""dt"":1588554000,""sunrise"":1588538040,""sunset"":1588576388,""temp"":{""day"":15.31,""min"":6.68,""max"":17.69,""night"":9.37,""eve"":15.32,""morn"":6.83},""feels_like"":{""day"":13.61,""night"":6.72,""eve"":12.09,""morn"":4.14},""pressure"":1026,""humidity"":55,""dew_point"":6.95,""wind_speed"":1.22,""wind_deg"":179,""weather"":[{""id"":800,""main"":""Clear"",""description"":""clear sky"",""icon"":""01d""}],""clouds"":1,""uvi"":3.58},{""dt"":1588640400,""sunrise"":1588624487,""sunset"":1588662733,""temp"":{""day"":16.72,""min"":9,""max"":17.88,""night"":11.03,""eve"":17.09,""morn"":9},""feels_like"":{""day"":15.02,""night"":9.63,""eve"":15.93,""morn"":6.39},""pressure"":1030,""humidity"":63,""dew_point"":10.15,""wind_speed"":2.35,""wind_deg"":188,""weather"":[{""id"":500,""main"":""Rain"",""description"":""light rain"",""icon"":""10d""}],""clouds"":20,""rain"":0.46,""uvi"":3.68},{""dt"":1588726800,""sunrise"":1588710934,""sunset"":1588749078,""temp"":{""day"":16.47,""min"":9.47,""max"":20.25,""night"":12.26,""eve"":19.16,""morn"":9.82},""feels_like"":{""day"":14.75,""night"":11.65,""eve"":17.97,""morn"":8.33},""pressure"":1029,""humidity"":62,""dew_point"":9.75,""wind_speed"":2.2,""wind_deg"":344,""weather"":[{""id"":803,""main"":""Clouds"",""description"":""broken clouds"",""icon"":""04d""}],""clouds"":64,""uvi"":3.7},{""dt"":1588813200,""sunrise"":1588797380,""sunset"":1588835425,""temp"":{""day"":17.89,""min"":9.93,""max"":21.04,""night"":14.29,""eve"":20.37,""morn"":10.29},""feels_like"":{""day"":16.46,""night"":13.24,""eve"":19.37,""morn"":9.06},""pressure"":1025,""humidity"":51,""dew_point"":8.18,""wind_speed"":1.25,""wind_deg"":327,""weather"":[{""id"":804,""main"":""Clouds"",""description"":""overcast clouds"",""icon"":""04d""}],""clouds"":93,""uvi"":3.88},{""dt"":1588899600,""sunrise"":1588883826,""sunset"":1588921774,""temp"":{""day"":18.95,""min"":10.71,""max"":23.82,""night"":14.21,""eve"":22.89,""morn"":11.2},""feels_like"":{""day"":17.59,""night"":13.29,""eve"":21.52,""morn"":10.21},""pressure"":1022,""humidity"":55,""dew_point"":10.17,""wind_speed"":1.89,""wind_deg"":334,""weather"":[{""id"":800,""main"":""Clear"",""description"":""clear sky"",""icon"":""01d""}],""clouds"":0,""uvi"":3.45},{""dt"":1588986000,""sunrise"":1588970273,""sunset"":1589008123,""temp"":{""day"":19.74,""min"":11.48,""max"":25.25,""night"":14.53,""eve"":23.02,""morn"":11.73},""feels_like"":{""day"":18.36,""night"":13.58,""eve"":21.48,""morn"":10.92},""pressure"":1020,""humidity"":52,""dew_point"":10.27,""wind_speed"":1.88,""wind_deg"":336,""weather"":[{""id"":800,""main"":""Clear"",""description"":""clear sky"",""icon"":""01d""}],""clouds"":0,""uvi"":3.42}]}"; 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