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

/
/
ims

Test String

Code Generator

Language

Generated Code

using System; using System.Text.RegularExpressions; public class Example { public static void Main() { string pattern = @"<w:p.*?>.*?<w:t>\$<\/w:t>.*?test.*?<\/w:p>"; string input = @"<?xml version=""1.0"" encoding=""UTF-8"" standalone=""yes""?> <w:document xmlns:ve=""http://schemas.openxmlformats.org/markup-compatibility/2006"" xmlns:o=""urn:schemas-microsoft-com:office:office"" 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: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:wne=""http://schemas.microsoft.com/office/word/2006/wordml""><w:body><w:p w:rsidR=""00EA0853"" w:rsidRDefault=""00E24666"" w:rsidP=""00582CB9""><w:pPr><w:tabs><w:tab w:val=""left"" w:pos=""10065""/></w:tabs><w:spacing w:before=""120"" w:after=""120"" w:line=""240"" w:lineRule=""auto""/><w:jc w:val=""center""/><w:rPr><w:rFonts w:ascii=""Times New Roman"" w:hAnsi=""Times New Roman"" w:cs=""Times New Roman""/><w:lang w:val=""en-US""/></w:rPr></w:pPr><w:r><w:rPr><w:rFonts w:ascii=""Times New Roman"" w:hAnsi=""Times New Roman"" w:cs=""Times New Roman""/><w:lang w:val=""en-US""/></w:rPr><w:t>APP</w:t></w:r></w:p><w:p w:rsidR=""0035180D"" w:rsidRDefault=""00C7412B"" w:rsidP=""00945FB5""><w:pPr><w:tabs><w:tab w:val=""left"" w:pos=""10065""/></w:tabs><w:spacing w:before=""120"" w:after=""120"" w:line=""240"" w:lineRule=""auto""/><w:rPr><w:rFonts w:ascii=""Times New Roman"" w:hAnsi=""Times New Roman"" w:cs=""Times New Roman""/><w:lang w:val=""en-US""/></w:rPr></w:pPr><w:r w:rsidRPr=""002E673F""><w:rPr><w:rFonts w:ascii=""Times New Roman"" w:hAnsi=""Times New Roman"" w:cs=""Times New Roman""/><w:lang w:val=""en-US""/></w:rPr><w:t>$</w:t></w:r><w:r w:rsidR=""0035180D"" w:rsidRPr=""002E673F""><w:rPr><w:rFonts w:ascii=""Times New Roman"" w:hAnsi=""Times New Roman"" w:cs=""Times New Roman""/><w:lang w:val=""en-US""/></w:rPr><w:t>{</w:t></w:r><w:r w:rsidR=""005803EA"" w:rsidRPr=""002E673F""><w:rPr><w:rFonts w:ascii=""Times New Roman"" w:hAnsi=""Times New Roman"" w:cs=""Times New Roman""/><w:lang w:val=""en-US""/></w:rPr><w:t>test</w:t></w:r><w:r w:rsidR=""0035180D"" w:rsidRPr=""002E673F""><w:rPr><w:rFonts w:ascii=""Times New Roman"" w:hAnsi=""Times New Roman"" w:cs=""Times New Roman""/><w:lang w:val=""en-US""/></w:rPr><w:t>}</w:t></w:r></w:p><w:p w:rsidR=""00524DA0"" w:rsidRPr=""002E673F"" w:rsidRDefault=""00524DA0"" w:rsidP=""00945FB5""><w:pPr><w:tabs><w:tab w:val=""left"" w:pos=""10065""/></w:tabs><w:spacing w:before=""120"" w:after=""120"" w:line=""240"" w:lineRule=""auto""/><w:rPr><w:rFonts w:ascii=""Times New Roman"" w:hAnsi=""Times New Roman"" w:cs=""Times New Roman""/><w:lang w:val=""en-US""/></w:rPr></w:pPr></w:p><w:p w:rsidR=""00375D75"" w:rsidRPr=""00496574"" w:rsidRDefault=""00375D75"" w:rsidP=""00496574""><w:pPr><w:spacing w:after=""0"" w:line=""120"" w:lineRule=""auto""/><w:rPr><w:rFonts w:ascii=""Times New Roman"" w:hAnsi=""Times New Roman"" w:cs=""Times New Roman""/><w:b/><w:sz w:val=""2""/><w:lang w:val=""en-US""/></w:rPr></w:pPr></w:p><w:sectPr w:rsidR=""00375D75"" w:rsidRPr=""00496574"" w:rsidSect=""00550158""><w:pgSz w:w=""11906"" w:h=""16838"" w:code=""9""/><w:pgMar w:top=""1134"" w:right=""707"" w:bottom=""568"" w:left=""1134"" w:header=""708"" w:footer=""708"" w:gutter=""0""/><w:cols w:space=""708""/><w:docGrid w:linePitch=""360""/></w:sectPr></w:body></w:document>"; RegexOptions options = RegexOptions.IgnoreCase | RegexOptions.Multiline | RegexOptions.Singleline; Match m = Regex.Match(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