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

/
/
mg

Test String

Code Generator

Language

Generated Code

using System; using System.Text.RegularExpressions; public class Example { public static void Main() { string pattern = @"c\.a\.createElement\(""tr""(.*?)c\.a\.createElement\(""tr"""; string input = @"{class:""table table-striped""},c.a.createElement(""thead"",{class:""thread-dark""},c.a.createElement(""tr"",null,c.a.createElement(""th"",{scope:""col""},""Round 1""),c.a.createElement(""th"",{scope:""col""}),c.a.createElement(""th"",{scope:""col""}),c.a.createElement(""th"",{scope:""col""}),c.a.createElement(""th"",{scope:""col""}))),c.a.createElement(""tbody"",null,c.a.createElement(""tr"",null,c.a.createElement(""td"",null,""Parc des Princes"",c.a.createElement(""br"",null),""Paris""),c.a.createElement(""td"",{align:""right""},""France "",c.a.createElement(""img"",{src:""img/RoundFlags/France.png"",width:""50"",hspace:""20""})),c.a.createElement(""td"",{className:""align-middle"",align:""center""},c.a.createElement(""a"",{href:""/fra-kor""},""4 - 0"")),c.a.createElement(""td"",{align:""left""},c.a.createElement(""img"",{src:""img/RoundFlags/Korea.png"",width:""50"",hspace:""20""}),"" Korea""),c.a.createElement(""td"",null,""Group A"")),c.a.createElement(""tr"",null,c.a.createElement(""td"",null,""Roazhon Park"",c.a.createElement(""br"",null),""Rennes""),c.a.createElement(""td"",{align:""right""},""Germany "",c.a.createElement(""img"",{src:""img/RoundFlags/Germany.png"",width:""50"",hspace:""20""})),c.a.createElement(""td"",{className:""align-middle"",align:""center""},c.a.createElement(""a"",{href:""/deu-chn""},""1 - 0"")),c.a.createElement(""td"",{align:""left""},c.a.createElement(""img"",{src:""img/RoundFlags/China.png"",width:""50"",hspace:""20""}),"" China""),c.a.createElement(""td"",null,""Group B"")),c.a.createElement(""tr"",null,c.a.createElement(""td"",null,""Stade Oceane"",c.a.createElement(""br"",null),""Le Havre""),c.a.createElement(""td"",{align:""right""},""Spain "",c.a.createElement(""img"",{src:""img/RoundFlags/Spain.png"",width:""50"",hspace:""20""})),c.a.createElement(""td"",{className:""align-middle"",align:""center""}"; 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