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 = @"<NewMarket sysname=""SOCCER(.*?)ODD_EVEN"; string input = @"<NewMarket sysname=""SOCCER_CORNERS_FIRST_HALF_DOUBLE_CHANCE"" name=""1st Half Corners Double Chance"" voidRule=""false"" settleRule=""[Period] &gt;= [HT]""> <Mappings> <OldMarket sysname=""SOCCER_CORNERS_HALFTIME_DOUBLE_CHANCE"" /> </Mappings> <MarketDefinition captionEn=""1st Half Corners Double Chance"" captionEl=""Διπλή Ευκαιρία Κόρνερ Ημιχρόνου""> <Odds> <Bet code=""1X"" name=""HomeDraw"" captionEn=""{HomeTeam} / Draw"" settleRule=""[HomeCorners1H] &gt;= [AwayCorners1H]"" /> <Bet code=""X2"" name=""DrawAway"" captionEn=""{AwayTeam} / Draw"" settleRule=""[HomeCorners1H] &lt;= [AwayCorners1H]"" /> <Bet code=""12"" name=""HomeAway"" captionEn=""{HomeTeam} / {AwayTeam}"" settleRule=""[HomeCorners1H] &gt; [AwayCorners1H] || [HomeCorners1H] &lt; [AwayCorners1H]"" /> </Odds> </MarketDefinition> </NewMarket> <NewMarket sysname=""SOCCER_CORNERS_ODD_EVEN"" name=""Corners Odd/Even"" voidRule=""false"" settleRule=""[Period] &gt;= [FT]""> <Mappings> <OldMarket sysname=""SOCCER_CORNERS_ODD_EVEN"" /> </Mappings> <MarketDefinition captionEn=""Match Corners Odd/Even"" captionEl=""Μονά Ή Ζυγά Κόρνερ Αγώνα""> <Odds> <Bet code=""1"" name=""Odd"" captionEn=""Odd"" settleRule=""([TotalCorners] % 2) = 1"" /> <Bet code=""0"" name=""Even"" captionEn=""Even"" settleRule=""([TotalCorners] % 2) = 0"" /> </Odds> </MarketDefinition> </NewMarket> <NewMarket sysname=""SOCCER_CORNERS_FIRST_HALF_ODD_EVEN"" name=""1st Half Corners Odd/Even"" voidRule=""false"" settleRule=""[Period] &gt;= [HT]""> <Mappings> <OldMarket sysname=""SOCCER_CORNERS_FIRST_HALF_ODD_EVEN"" /> </Mappings> <MarketDefinition captionEn=""1st Half Odd/Even Corners"" captionEl=""Μονά Ή Ζυγά Κόρνερ 1ου Ημιχρόνου""> <Odds> <Bet code=""1"" name=""Odd"" captionEn=""Odd"" settleRule=""([TotalCorners1H] % 2) = 1"" /> <Bet code=""0"" name=""Even"" captionEn=""Even"" settleRule=""([TotalCorners1H] % 2) = 0"" /> </Odds> </MarketDefinition> </NewMarket> <NewMarket sysname=""SOCCER_CORNERS_SECOND_HALF_ODD_EVEN"" name=""2nd Half Corners Odd/Even"" voidRule=""false"" settleRule=""[Period] &gt;= [FT]""> <Mappings> <OldMarket sysname=""SOCCER_CORNERS_SECOND_HALF_ODD_EVEN"" /> </Mappings> <MarketDefinition captionEn=""2nd Half Odd/Even Corners"" captionEl=""Μονά Ή Ζυγά Κόρνερ 2ου Ημιχρόνου""> <Odds> <Bet code=""1"" name=""Odd"" captionEn=""Odd"" settleRule=""([TotalCorners2H] % 2) = 1"" /> <Bet code=""0"" name=""Even"" captionEn=""Even"" settleRule=""([TotalCorners2H] % 2) = 0"" /> </Odds> </MarketDefinition> </NewMarket> <NewMarket sysname=""SOCCER_CORNERS_RESULT_NO_DRAW"" name=""Corners Draw No Bet"" voidRule=""[Period] &gt;= [FT] &amp;&amp; [HomeCorners] = [AwayCorners]"" settleRule=""[Period] &gt;= [FT] &amp;&amp; [HomeCorners] != [AwayCorners]""> <Mappings> <OldMarket sysname=""SOCCER_CORNERS_RESULT_NO_DRAW"" /> </Mappings> <MarketDefinition captionEn=""Match Corners Draw no bet"" captionEl=""Νικητής Κόρνερ Αγώνα Ισοπαλία ΄Οχι Στοίχημα""> <Odds> <Bet code=""1"" name=""Home"" captionEn=""{HomeTeam}"" settleRule=""[HomeCorners] &gt; [AwayCorners]"" /> <Bet code=""2"" name=""Away"" captionEn=""{AwayTeam}"" settleRule=""[HomeCorners] &lt; [AwayCorners]"" /> </Odds> </MarketDefinition> </NewMarket>"; 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