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
  • Match everything enclosed
    (?:...)
  • Capture everything enclosed
    (...)
  • 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 = @""" (\[|){\n(?<tab> )""id"": ""[0-9]*"",\n\<tab>""type"": [0-9],\n\<tab>""content"": ""[^""]*"",\n\<tab>""channel_id"": ""[0-9]*"",\n\<tab>""author"": {\n(?<dtab> )""id"": ""[^""]*"",\n\<dtab>""username"": ""[^""]*"",\n\<dtab>""avatar"": ""[^""]*"",\n\<dtab>""discriminator"": ""([0-9]{4}|[0-9])"",\n\<dtab>""public_flags"": [0-9]*,\n\<dtab>""flags"": [0-9]*,\n\<dtab>""banner"": (null|""[0-9]*""),\n\<dtab>""accent_color"": (null|""[^""]*""),\n\<dtab>""global_name"": ""[^""]*"",\n\<dtab>""avatar_decoration_data"": (null|""[^""]*""),\n\<dtab>""banner_color"": (null|""[^""]*"")\n\<tab>},\n\<tab>""attachments"": \[[^\]]*\],\n\<tab>""embeds"": \[[^\]]*],\n\<tab>""mentions"": \[[^\]]*],\n\<tab>""mention_roles"": \[[^\]]*\],\n\<tab>""pinned"": (true:|false),\n\<tab>""mention_everyone"": (true|false),\n\<tab>""tts"": (true:|false),\n\<tab>""timestamp"": ""[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}.[0-9]{6}\+[0-9]{2}:[0-9]{2}"",\n\<tab>""edited_timestamp"": (null|""[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}.[0-9]{6}\+[0-9]{2}:[0-9]{2}""),\n\<tab>""flags"": [0-9]*,\n\<tab>""components"": \[[^\]]*]\n}(\]|\,|) """; string input = @"{ ""id"": ""1145344233713188874"", ""type"": 0, ""content"": ""913 - this icecream good"", ""channel_id"": ""1124414874454339715"", ""author"": { ""id"": ""746383273621717104"", ""username"": ""kalote."", ""avatar"": ""95b9bdc7aa5784a2354e2ec5256ae736"", ""discriminator"": ""0"", ""public_flags"": 128, ""flags"": 128, ""banner"": null, ""accent_color"": null, ""global_name"": ""Carrot :3"", ""avatar_decoration_data"": null, ""banner_color"": null }, ""attachments"": [], ""embeds"": [], ""mentions"": [], ""mention_roles"": [], ""pinned"": false, ""mention_everyone"": false, ""tts"": false, ""timestamp"": ""2023-08-27T13:09:04.784000+00:00"", ""edited_timestamp"": null, ""flags"": 0, ""components"": [] },"; 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