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 = @"aria-label=""(\d{1,3})"""; string input = @"<div style=""position: absolute; left: 0px; top: 0px; z-index: 106; width: 100%;""><span id=""1754CFBC-3135-4AAF-B4AB-197E77AD840A"" style=""display: none;"">Możesz się poruszać przy użyciu klawiszy strzałek.</span><div style=""width: 36px; height: 37px; overflow: hidden; position: absolute; cursor: pointer; touch-action: none; left: -69px; top: 110px; z-index: 1;"" title="" aria-label=""2255"" role=""button"" tabindex=""0"" aria-describedby=""1754CFBC-3135-4AAF-B4AB-197E77AD840A""><img alt="" src=""https://maps.gstatic.com/mapfiles/transparent.png"" draggable=""false"" style=""width: 36px; height: 37px; user-select: none; border: 0px; padding: 0px; margin: 0px; max-width: none;""></div><div style=""width: 36px; height: 37px; overflow: hidden; position: absolute; cursor: pointer; touch-action: none; left: 13px; top: -50px; z-index: 1;"" title="" aria-label=""1530"" role=""button"" tabindex=""-1"" aria-describedby=""1754CFBC-3135-4AAF-B4AB-197E77AD840A""><img alt="" src=""https://maps.gstatic.com/mapfiles/transparent.png"" draggable=""false"" style=""width: 36px; height: 37px; user-select: none; border: 0px; padding: 0px; margin: 0px; max-width: none;""></div><div style=""width: 36px; height: 37px; overflow: hidden; position: absolute; cursor: pointer; touch-action: none; left: -12px; top: 122px; z-index: 1;"" title="" aria-label=""1392"" role=""button"" tabindex=""-1"" aria-describedby=""1754CFBC-3135-4AAF-B4AB-197E77AD840A""><img alt="" src=""https://maps.gstatic.com/mapfiles/transparent.png"" draggable=""false"" style=""width: 36px; height: 37px; user-select: none; border: 0px; padding: 0px; margin: 0px; max-width: none;""></div><div style=""width: 36px; height: 37px; overflow: hidden; position: absolute; cursor: pointer; touch-action: none; left: -140px; top: 29px; z-index: 1;"" title="" aria-label=""1136"" role=""button"" tabindex=""-1"" aria-describedby=""1754CFBC-3135-4AAF-B4AB-197E77AD840A""><img alt="" src=""https://maps.gstatic.com/mapfiles/transparent.png"" draggable=""false"" style=""width: 36px; height: 37px; user-select: none; border: 0px; padding: 0px; margin: 0px; max-width: none;""></div><div style=""width: 36px; height: 37px; overflow: hidden; position: absolute; cursor: pointer; touch-action: none; left: -139px; top: -74px; z-index: 1;"" title="" aria-label=""1121"" role=""button"" tabindex=""-1"" aria-describedby=""1754CFBC-3135-4AAF-B4AB-197E77AD840A""><img alt="" src=""https://maps.gstatic.com/mapfiles/transparent.png"" draggable=""false"" style=""width: 36px; height: 37px; user-select: none; border: 0px; padding: 0px; margin: 0px; max-width: none;""></div><div style=""width: 36px; height: 37px; overflow: hidden; position: absolute; cursor: pointer; touch-action: none; left: -60px; top: 15px; z-index: 1;"" title="" aria-label=""1056"" role=""button"" tabindex=""-1"" aria-describedby=""1754CFBC-3135-4AAF-B4AB-197E77AD840A""><img alt="" src=""https://maps.gstatic.com/mapfiles/transparent.png"" draggable=""false"" style=""width: 36px; height: 37px; user-select: none; border: 0px; padding: 0px; margin: 0px; max-width: none;""></div><div style=""width: 36px; height: 37px; overflow: hidden; position: absolute; cursor: pointer; touch-action: none; left: -82px; top: -195px; z-index: 1;"" title="" aria-label=""919"" role=""button"" tabindex=""-1"" aria-describedby=""1754CFBC-3135-4AAF-B4AB-197E77AD840A""><img alt="" src=""https://maps.gstatic.com/mapfiles/transparent.png"" draggable=""false"" style=""width: 36px; height: 37px; user-select: none; border: 0px; padding: 0px; margin: 0px; max-width: none;""></div><div style=""width: 36px; height: 37px; overflow: hidden; position: absolute; cursor: pointer; touch-action: none; left: -198px; top: 23px; z-index: 1;"" title="" aria-label=""878"" role=""button"" tabindex=""-1"" aria-describedby=""1754CFBC-3135-4AAF-B4AB-197E77AD840A""><img alt="" src=""https://maps.gstatic.com/mapfiles/transparent.png"" draggable=""false"" style=""width: 36px; height: 37px; user-select: none; border: 0px; padding: 0px; margin: 0px; max-width: none;""></div><div style=""width: 36px; height: 37px; overflow: hidden; position: absolute; cursor: pointer; touch-action: none; left: 60px; top: 117px; z-index: 1;"" title="" aria-label=""730"" role=""button"" tabindex=""-1"" aria-describedby=""1754CFBC-3135-4AAF-B4AB-197E77AD840A""><img alt="" src=""https://maps.gstatic.com/mapfiles/transparent.png"" draggable=""false"" style=""width: 36px; height: 37px; user-select: none; border: 0px; padding: 0px; margin: 0px; max-width: none;""></div><div style=""width: 36px; height: 37px; overflow: hidden; position: absolute; cursor: pointer; touch-action: none; left: 46px; top: -58px; z-index: 1;"" title="" aria-label=""705"" role=""button"" tabindex=""-1"" aria-describedby=""1754CFBC-3135-4AAF-B4AB-197E77AD840A""><img alt="" src=""https://maps.gstatic.com/mapfiles/transparent.png"" draggable=""false"" style=""width: 36px; height: 37px; user-select: none; border: 0px; padding: 0px; margin: 0px; max-width: none;""></div><div style=""width: 36px; height: 37px; overflow: hidden; position: absolute; cursor: pointer; touch-action: none; left: -185px; top: -64px; z-index: 1;"" title="" aria-label=""633"" role=""button"" tabindex=""-1"" aria-describedby=""1754CFBC-3135-4AAF-B4AB-197E77AD840A""><img alt="" src=""https://maps.gstatic.com/mapfiles/transparent.png"" draggable=""false"" style=""width: 36px; height: 37px; user-select: none; border: 0px; padding: 0px; margin: 0px; max-width: none;""></div><div style=""width: 36px; height: 37px; overflow: hidden; position: absolute; cursor: pointer; touch-action: none; left: -2px; top: 25px; z-index: 1;"" title="" aria-label=""590"" role=""button"" tabindex=""-1"" aria-describedby=""1754CFBC-3135-4AAF-B4AB-197E77AD840A""><img alt="" src=""https://maps.gstatic.com/mapfiles/transparent.png"" draggable=""false"" style=""width: 36px; height: 37px; user-select: none; border: 0px; padding: 0px; margin: 0px; max-width: none;""></div><div style=""width: 36px; height: 37px; overflow: hidden; position: absolute; cursor: pointer; touch-action: none; left: -72px; top: -84px; z-index: 1;"" title="" aria-label=""557"" role=""button"" tabindex=""-1"" aria-describedby=""1754CFBC-3135-4AAF-B4AB-197E77AD840A""><img alt="" src=""https://maps.gstatic.com/mapfiles/transparent.png"" draggable=""false"" style=""width: 36px; height: 37px; user-select: none; border: 0px; padding: 0px; margin: 0px; max-width: none;""></div><div style=""width: 36px; height: 37px; overflow: hidden; position: absolute; cursor: pointer; touch-action: none; left: 56px; top: 21px; z-index: 1;"" title="" aria-label=""524"" role=""button"" tabindex=""-1"" aria-describedby=""1754CFBC-3135-4AAF-B4AB-197E77AD840A""><img alt="" src=""https://maps.gstatic.com/mapfiles/transparent.png"" draggable=""false"" style=""width: 36px; height: 37px; user-select: none; border: 0px; padding: 0px; margin: 0px; max-width: none;""></div><div style=""width: 36px; height: 37px; overflow: hidden; position: absolute; cursor: pointer; touch-action: none; left: 108px; top: 29px; z-index: 1;"" title="" aria-label=""419"" role=""button"" tabindex=""-1"" aria-describedby=""1754CFBC-3135-4AAF-B4AB-197E77AD840A""><img alt="" src=""https://maps.gstatic.com/mapfiles/transparent.png"" draggable=""false"" style=""width: 36px; height: 37px; user-select: none; border: 0px; padding: 0px; margin: 0px; max-width: none;""></div><div style=""width: 36px; height: 37px; overflow: hidden; position: absolute; cursor: pointer; touch-action: none; left: -256px; top: -100px; z-index: 1;"" title="" aria-label=""408"" role=""button"" tabindex=""-1"" aria-describedby=""1754CFBC-3135-4AAF-B4AB-197E77AD840A""><img alt="" src=""https://maps.gstatic.com/mapfiles/transparent.png"" draggable=""false"" style=""width: 36px; height: 37px; user-select: none; border: 0px; padding: 0px; margin: 0px; max-width: none;""></div><div style=""width: 36px; height: 37px; overflow: hidden; position: absolute; cursor: pointer; touch-action: none; left: -128px; top: -192px; z-index: 1;"" title="" aria-label=""319"" role=""button"" tabindex=""-1"" aria-describedby=""1754CFBC-3135-4AAF-B4AB-197E77AD840A""><img alt="" src=""https://maps.gstatic.com/mapfiles/transparent.png"" draggable=""false"" style=""width: 36px; height: 37px; user-select: none; border: 0px; padding: 0px; margin: 0px; max-width: none;""></div><div style=""width: 36px; height: 37px; overflow: hidden; position: absolute; cursor: pointer; touch-action: none; left: 120px; top: -97px; z-index: 1;"" title="" aria-label=""313"" role=""button"" tabindex=""-1"" aria-describedby=""1754CFBC-3135-4AAF-B4AB-197E77AD840A""><img alt="" src=""https://maps.gstatic.com/mapfiles/transparent.png"" draggable=""false"" style=""width: 36px; height: 37px; user-select: none; border: 0px; padding: 0px; margin: 0px; max-width: none;""></div><div style=""width: 36px; height: 37px; overflow: hidden; position: absolute; cursor: pointer; touch-action: none; left: -121px; top: 93px; z-index: 1;"" title="" aria-label=""250"" role=""button"" tabindex=""-1"" aria-describedby=""1754CFBC-3135-4AAF-B4AB-197E77AD840A""><img alt="" src=""https://maps.gstatic.com/mapfiles/transparent.png"" draggable=""false"" style=""width: 36px; height: 37px; user-select: none; border: 0px; padding: 0px; margin: 0px; max-width: none;""></div><div style=""width: 36px; height: 37px; overflow: hidden; position: absolute; cursor: pointer; touch-action: none; left: -6px; top: -166px; z-index: 1;"" title="" aria-label=""243"" role=""button"" tabindex=""-1"" aria-describedby=""1754CFBC-3135-4AAF-B4AB-197E77AD840A""><img alt="" src=""https://maps.gstatic.com/mapfiles/transparent.png"" draggable=""false"" style=""width: 36px; height: 37px; user-select: none; border: 0px; padding: 0px; margin: 0px; max-width: none;""></div><div style=""width: 36px; height: 37px; overflow: hidden; position: absolute; cursor: pointer; touch-action: none; left: -198px; top: -179px; z-index: 1;"" title="" aria-label=""238"" role=""button"" tabindex=""-1"" aria-describedby=""1754CFBC-3135-4AAF-B4AB-197E77AD840A""><img alt="" src=""https://maps.gstatic.com/mapfiles/transparent.png"" draggable=""false"" style=""width: 36px; height: 37px; user-select: none; border: 0px; padding: 0px; margin: 0px; max-width: none;""></div><div style=""width: 36px; height: 37px; overflow: hidden; position: absolute; cursor: pointer; touch-action: none; left: -263px; top: -150px; z-index: 1;"" title="" aria-label=""197"" role=""button"" tabindex=""-1"" aria-describedby=""1754CFBC-3135-4AAF-B4AB-197E77AD840A""><img alt="" src=""https://maps.gstatic.com/mapfiles/transparent.png"" draggable=""false"" style=""width: 36px; height: 37px; user-select: none; border: 0px; padding: 0px; margin: 0px; max-width: none;""></div><div style=""width: 36px; height: 37px; overflow: hidden; position: absolute; cursor: pointer; touch-action: none; left: -243px; top: 13px; z-index: 1;"" title="" aria-label=""195"" role=""button"" tabindex=""-1"" aria-describedby=""1754CFBC-3135-4AAF-B4AB-197E77AD840A""><img alt="" src=""https://maps.gstatic.com/mapfiles/transparent.png"" draggable=""false"" style=""width: 36px; height: 37px; user-select: none; border: 0px; padding: 0px; margin: 0px; max-width: none;""></div><div style=""width: 36px; height: 37px; overflow: hidden; position: absolute; cursor: pointer; touch-action: none; left: 109px; top: 108px; z-index: 1;"" title="" aria-label=""148"" role=""button"" tabindex=""-1"" aria-describedby=""1754CFBC-3135-4AAF-B4AB-197E77AD840A""><img alt="" src=""https://maps.gstatic.com/mapfiles/transparent.png"" draggable=""false"" style=""width: 36px; height: 37px; user-select: none; border: 0px; padding: 0px; margin: 0px; max-width: none;""></div><div style=""width: 36px; height: 37px; overflow: hidden; position: absolute; cursor: pointer; touch-action: none; left: 64px; top: -168px; z-index: 1;"" title="" aria-label=""128"" role=""button"" tabindex=""-1"" aria-describedby=""1754CFBC-3135-4AAF-B4AB-197E77AD840A""><img alt="" src=""https://maps.gstatic.com/mapfiles/transparent.png"" draggable=""false"" style=""width: 36px; height: 37px; user-select: none; border: 0px; padding: 0px; margin: 0px; max-width: none;""></div><div style=""width: 36px; height: 37px; overflow: hidden; position: absolute; cursor: pointer; touch-action: none; left: 113px; top: -174px; z-index: 1;"" title="" aria-label=""76"" role=""button"" tabindex=""-1"" aria-describedby=""1754CFBC-3135-4AAF-B4AB-197E77AD840A""><img alt="" src=""https://maps.gstatic.com/mapfiles/transparent.png"" draggable=""false"" style=""width: 36px; height: 37px; user-select: none; border: 0px; padding: 0px; margin: 0px; max-width: none;""></div><div style=""width: 36px; height: 37px; overflow: hidden; position: absolute; cursor: pointer; touch-action: none; left: -177px; top: 86px; z-index: 1;"" title="" aria-label=""71"" role=""button"" tabindex=""-1"" aria-describedby=""1754CFBC-3135-4AAF-B4AB-197E77AD840A""><img alt="" src=""https://maps.gstatic.com/mapfiles/transparent.png"" draggable=""false"" style=""width: 36px; height: 37px; user-select: none; border: 0px; padding: 0px; margin: 0px; max-width: none;""></div><div style=""width: 36px; height: 37px; overflow: hidden; position: absolute; cursor: pointer; touch-action: none; left: 83px; top: 174px; z-index: 1;"" title="" aria-label=""1"" role=""button"" tabindex=""-1"" aria-describedby=""1754CFBC-3135-4AAF-B4AB-197E77AD840A""><img alt="" src=""https://maps.gstatic.com/mapfiles/transparent.png"" draggable=""false"" style=""width: 36px; height: 37px; user-select: none; border: 0px; padding: 0px; margin: 0px; max-width: none;""></div></div>"; 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