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 = @"\{\{.+Company_Name.+\}\}"; string input = @"<?xml version=""1.0"" encoding=""UTF-8"" standalone=""yes""?> <w:document xmlns:wpc=""http://schemas.microsoft.com/office/word/2010/wordprocessingCanvas"" xmlns:cx=""http://schemas.microsoft.com/office/drawing/2014/chartex"" xmlns:cx1=""http://schemas.microsoft.com/office/drawing/2015/9/8/chartex"" xmlns:cx2=""http://schemas.microsoft.com/office/drawing/2015/10/21/chartex"" xmlns:cx3=""http://schemas.microsoft.com/office/drawing/2016/5/9/chartex"" xmlns:cx4=""http://schemas.microsoft.com/office/drawing/2016/5/10/chartex"" xmlns:cx5=""http://schemas.microsoft.com/office/drawing/2016/5/11/chartex"" xmlns:cx6=""http://schemas.microsoft.com/office/drawing/2016/5/12/chartex"" xmlns:cx7=""http://schemas.microsoft.com/office/drawing/2016/5/13/chartex"" xmlns:cx8=""http://schemas.microsoft.com/office/drawing/2016/5/14/chartex"" xmlns:mc=""http://schemas.openxmlformats.org/markup-compatibility/2006"" xmlns:aink=""http://schemas.microsoft.com/office/drawing/2016/ink"" xmlns:am3d=""http://schemas.microsoft.com/office/drawing/2017/model3d"" xmlns:o=""urn:schemas-microsoft-com:office:office"" xmlns:oel=""http://schemas.microsoft.com/office/2019/extlst"" xmlns:r=""http://schemas.openxmlformats.org/officeDocument/2006/relationships"" xmlns:m=""http://schemas.openxmlformats.org/officeDocument/2006/math"" xmlns:v=""urn:schemas-microsoft-com:vml"" xmlns:wp14=""http://schemas.microsoft.com/office/word/2010/wordprocessingDrawing"" xmlns:wp=""http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawing"" xmlns:w10=""urn:schemas-microsoft-com:office:word"" xmlns:w=""http://schemas.openxmlformats.org/wordprocessingml/2006/main"" xmlns:w14=""http://schemas.microsoft.com/office/word/2010/wordml"" xmlns:w15=""http://schemas.microsoft.com/office/word/2012/wordml"" xmlns:w16cex=""http://schemas.microsoft.com/office/word/2018/wordml/cex"" xmlns:w16cid=""http://schemas.microsoft.com/office/word/2016/wordml/cid"" xmlns:w16=""http://schemas.microsoft.com/office/word/2018/wordml"" xmlns:w16sdtdh=""http://schemas.microsoft.com/office/word/2020/wordml/sdtdatahash"" xmlns:w16se=""http://schemas.microsoft.com/office/word/2015/wordml/symex"" xmlns:wpg=""http://schemas.microsoft.com/office/word/2010/wordprocessingGroup"" xmlns:wpi=""http://schemas.microsoft.com/office/word/2010/wordprocessingInk"" xmlns:wne=""http://schemas.microsoft.com/office/word/2006/wordml"" xmlns:wps=""http://schemas.microsoft.com/office/word/2010/wordprocessingShape"" mc:Ignorable=""w14 w15 w16se w16cid w16 w16cex w16sdtdh wp14""><w:body><w:p w14:paraId=""1599AF6E"" w14:textId=""34AAE6AB"" w:rsidR=""00F64201"" w:rsidRDefault=""00B721B4"" w:rsidP=""00B721B4""><w:pPr><w:pStyle w:val=""Heading1""/></w:pPr><w:r><w:t>{{</w:t></w:r><w:proofErr w:type=""spellStart""/><w:r><w:t>Company_Name</w:t></w:r><w:proofErr w:type=""spellEnd""/><w:r><w:t>}} {{APP}} Account Data</w:t></w:r></w:p><w:p w14:paraId=""278C6776"" w14:textId=""1B6000C5"" w:rsidR=""00B721B4"" w:rsidRDefault=""00B721B4""/><w:tbl><w:tblPr><w:tblStyle w:val=""TableGrid""/><w:tblW w:w=""0"" w:type=""auto""/><w:tblLook w:val=""04A0"" w:firstRow=""1"" w:lastRow=""0"" w:firstColumn=""1"" w:lastColumn=""0"" w:noHBand=""0"" w:noVBand=""1""/></w:tblPr><w:tblGrid><w:gridCol w:w=""1870""/><w:gridCol w:w=""1870""/><w:gridCol w:w=""1870""/><w:gridCol w:w=""1870""/><w:gridCol w:w=""1870""/></w:tblGrid><w:tr w:rsidR=""00B721B4"" w14:paraId=""100413BB"" w14:textId=""77777777"" w:rsidTr=""00B721B4""><w:tc><w:tcPr><w:tcW w:w=""1870"" w:type=""dxa""/></w:tcPr><w:p w14:paraId=""5FD7C610"" w14:textId=""015F6641"" w:rsidR=""00B721B4"" w:rsidRDefault=""00B721B4""><w:r><w:t>Name</w:t></w:r></w:p></w:tc><w:tc><w:tcPr><w:tcW w:w=""1870"" w:type=""dxa""/></w:tcPr><w:p w14:paraId=""73D639A3"" w14:textId=""0258323E"" w:rsidR=""00B721B4"" w:rsidRDefault=""00B721B4""><w:proofErr w:type=""spellStart""/><w:r><w:t>CreateDate</w:t></w:r><w:proofErr w:type=""spellEnd""/></w:p></w:tc><w:tc><w:tcPr><w:tcW w:w=""1870"" w:type=""dxa""/></w:tcPr><w:p w14:paraId=""7C6E1CA5"" w14:textId=""4B5E3085"" w:rsidR=""00B721B4"" w:rsidRDefault=""00B721B4""><w:r><w:t>VIP</w:t></w:r></w:p></w:tc><w:tc><w:tcPr><w:tcW w:w=""1870"" w:type=""dxa""/></w:tcPr><w:p w14:paraId=""274DDEA7"" w14:textId=""516124C5"" w:rsidR=""00B721B4"" w:rsidRDefault=""00B721B4""><w:r><w:t>Points</w:t></w:r></w:p></w:tc><w:tc><w:tcPr><w:tcW w:w=""1870"" w:type=""dxa""/></w:tcPr><w:p w14:paraId=""7163781E"" w14:textId=""460DA08B"" w:rsidR=""00B721B4"" w:rsidRDefault=""00B721B4""><w:r><w:t>Remark</w:t></w:r></w:p></w:tc></w:tr><w:tr w:rsidR=""00B721B4"" w14:paraId=""35A728A6"" w14:textId=""77777777"" w:rsidTr=""00B721B4""><w:tc><w:tcPr><w:tcW w:w=""1870"" w:type=""dxa""/></w:tcPr><w:p w14:paraId=""0775B817"" w14:textId=""17DA096B"" w:rsidR=""00B721B4"" w:rsidRDefault=""00B721B4""><w:r><w:t>{{Name}}</w:t></w:r></w:p></w:tc><w:tc><w:tcPr><w:tcW w:w=""1870"" w:type=""dxa""/></w:tcPr><w:p w14:paraId=""4A2404F3"" w14:textId=""6CC57F74"" w:rsidR=""00B721B4"" w:rsidRDefault=""00B721B4""><w:r><w:t>{{</w:t></w:r><w:proofErr w:type=""spellStart""/><w:r><w:t>CreateDate</w:t></w:r><w:proofErr w:type=""spellEnd""/><w:r><w:t>}}</w:t></w:r></w:p></w:tc><w:tc><w:tcPr><w:tcW w:w=""1870"" w:type=""dxa""/></w:tcPr><w:p w14:paraId=""62DEB9C3"" w14:textId=""618125BB"" w:rsidR=""00B721B4"" w:rsidRDefault=""00B721B4""><w:r><w:t>{{VIP}}</w:t></w:r></w:p></w:tc><w:tc><w:tcPr><w:tcW w:w=""1870"" w:type=""dxa""/></w:tcPr><w:p w14:paraId=""158965BA"" w14:textId=""1EA5CD08"" w:rsidR=""00B721B4"" w:rsidRDefault=""00B721B4""><w:r><w:t>{{Points}}</w:t></w:r></w:p></w:tc><w:tc><w:tcPr><w:tcW w:w=""1870"" w:type=""dxa""/></w:tcPr><w:p w14:paraId=""53105C06"" w14:textId=""07109D26"" w:rsidR=""00B721B4"" w:rsidRDefault=""00B721B4""><w:r><w:t xml:space=""preserve"">{{Name}} has </w:t></w:r><w:r w:rsidRPr=""005F3C0A""><w:rPr><w:color w:val=""FF0000""/></w:rPr><w:t xml:space=""preserve"">{{Points}} </w:t></w:r><w:r><w:t>points</w:t></w:r></w:p></w:tc></w:tr></w:tbl><w:p w14:paraId=""671D355C"" w14:textId=""77777777"" w:rsidR=""00B721B4"" w:rsidRDefault=""00B721B4""/><w:sectPr w:rsidR=""00B721B4""><w:pgSz w:w=""12240"" w:h=""15840""/><w:pgMar w:top=""1440"" w:right=""1440"" w:bottom=""1440"" w:left=""1440"" w:header=""720"" w:footer=""720"" w:gutter=""0""/><w:cols w:space=""720""/><w:docGrid w:linePitch=""360""/></w:sectPr></w:body></w:document>"; 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