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 = @"<tr[^>]*> [^<]*<td[^>]*>(?<No>[^<]*)<\/td> [^<]*<td[^>]*>(?<ID>[^<]*)<\/td> [^<]*<td[^>]*>(?<Name>[^<]*)<\/td> [^<]*<td[^>]*>(?<Home_phone>[^<]*)<\/td> [^<]*<td[^>]*>(?<Work_phone>[^<]*)<\/td> [^<]*<td[^>]*>(?<Cell_phone>[^<]*)<\/td> [^<]*<td[^>]*>(?<Country>[^<]*)<\/td> [^<]*<td[^>]*>[^<]*<a[^>]*>(?<Email>[^<]*)<\/a[^>]*><\/td> [^<]*<td[^>]*>(?<Levels>[^<]*)<\/td> [^<]*<td[^>]*>(?<Rank>[^<]*)<\/td> [^<]*<td[^>]*>(?<Sponzor_ID>[^<]*)<\/td>"; string input = @" <!DOCTYPE html PUBLIC ""-//W3C//DTD XHTML 1.0 Transitional//EN"" ""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd""> <html xmlns=""http://www.w3.org/1999/xhtml""> <head> <meta http-equiv=""Content-Type"" content=""text/html; charset=utf-8"" /> <title>PBC - New Distributor List</title> <meta name=""description"" content=""Lifestyles PBC is an on-line tool to help our Distributors manage their business and achieve their goals."" /> <meta name=""keywords"" content=""Lifestyles, Lifestyles International, Personal Business Center, PBC""/> <link href=""css/en.css"" rel=""stylesheet"" type=""text/css"" /> </head> <body bgcolor=""#EAF4D1"" leftmargin=""0"" topmargin=""3"" marginwidth=""0"" marginheight=""0""> <table border=""0"" align=""center"" cellpadding=""1"" cellspacing=""1"" bgcolor=""#999999""> <tr> <td height=""33"" colspan=""11"" align=""center"" bgcolor=""#FFFFFF""><h2 style=""margin: 10px"">New Distributor List</h2> <p style=""margin: 10px"">Month: Sep.17</p></td> </tr> <tr> <td height=""27"" align=""center"" bgcolor=""#CCCCCC""><strong>No.</strong></td> <td height=""27"" align=""center"" bgcolor=""#CCCCCC""><strong>ID</strong></td> <td height=""27"" align=""center"" bgcolor=""#CCCCCC""><strong>Name</strong></td> <td align=""center"" bgcolor=""#CCCCCC""><strong>Home Phone</strong></td> <td align=""center"" bgcolor=""#CCCCCC""><strong>Business Phone</strong></td> <td align=""center"" bgcolor=""#CCCCCC""><strong>Cell Phone</strong></td> <td align=""center"" bgcolor=""#CCCCCC""><strong>Country</strong></td> <td align=""center"" bgcolor=""#CCCCCC""><strong>Email</strong></td> <td align=""center"" bgcolor=""#CCCCCC""><strong>Levels</strong></td> <td align=""center"" bgcolor=""#CCCCCC""><strong>Rank</strong></td> <td align=""center"" bgcolor=""#CCCCCC""><strong>Sponsor</strong></td> </tr> <tr> <td height=""27"" align=""center"" bgcolor=""#FFFFFF"">1</td> <td height=""27"" align=""center"" bgcolor=""#FFFFFF"">98000274072</td> <td height=""27"" align=""center"" bgcolor=""#FFFFFF"">Jaroslava Adamcova</td> <td align=""center"" bgcolor=""#FFFFFF"">420 777642993</td> <td align=""center"" bgcolor=""#FFFFFF""></td> <td align=""center"" bgcolor=""#FFFFFF""></td> <td align=""center"" bgcolor=""#FFFFFF"">Czech Republic</td> <td align=""center"" bgcolor=""#FFFFFF""><a href=""mailto:mrs.crazy@post.cz"">mrs.crazy@post.cz</a></td> <td align=""center"" bgcolor=""#FFFFFF"">19</td> <td align=""center"" bgcolor=""#FFFFFF"">Distributor</td> <td align=""center"" bgcolor=""#FFFFFF"">80011630542</td> </tr> <tr> <td height=""27"" align=""center"" bgcolor=""#FFFFFF"">2</td> <td height=""27"" align=""center"" bgcolor=""#FFFFFF"">98000274172</td> <td height=""27"" align=""center"" bgcolor=""#FFFFFF"">Lucie Hybsova</td> <td align=""center"" bgcolor=""#FFFFFF"">420 773252262</td> <td align=""center"" bgcolor=""#FFFFFF""></td> <td align=""center"" bgcolor=""#FFFFFF""></td> <td align=""center"" bgcolor=""#FFFFFF"">Czech Republic</td> <td align=""center"" bgcolor=""#FFFFFF""><a href=""mailto:hybsovaluca@seznam.cz"">hybsovaluca@seznam.cz</a></td> <td align=""center"" bgcolor=""#FFFFFF"">19</td> <td align=""center"" bgcolor=""#FFFFFF"">Distributor</td> <td align=""center"" bgcolor=""#FFFFFF"">80011630542</td> </tr> <tr> <td height=""27"" align=""center"" bgcolor=""#FFFFFF"">3</td> <td height=""27"" align=""center"" bgcolor=""#FFFFFF"">98000274475</td> <td height=""27"" align=""center"" bgcolor=""#FFFFFF"">Miroslava Dobruska</td> <td align=""center"" bgcolor=""#FFFFFF"">420 739555554</td> <td align=""center"" bgcolor=""#FFFFFF""> 123456789</td> <td align=""center"" bgcolor=""#FFFFFF"">602230645</td> <td align=""center"" bgcolor=""#FFFFFF"">Czech Republic</td> <td align=""center"" bgcolor=""#FFFFFF""><a href=""mailto:dobruska.miroslava@seznam.cz"">dobruska.miroslava@seznam.cz</a></td> <td align=""center"" bgcolor=""#FFFFFF"">18</td> <td align=""center"" bgcolor=""#FFFFFF"">Distributor</td> <td align=""center"" bgcolor=""#FFFFFF"">13980242</td> </tr> <tr> <td height=""27"" align=""center"" bgcolor=""#FFFFFF"">4</td> <td height=""27"" align=""center"" bgcolor=""#FFFFFF"">98000274484</td> <td height=""27"" align=""center"" bgcolor=""#FFFFFF"">Dana Barochova</td> <td align=""center"" bgcolor=""#FFFFFF"">420 774312227</td> <td align=""center"" bgcolor=""#FFFFFF""></td> <td align=""center"" bgcolor=""#FFFFFF""></td> <td align=""center"" bgcolor=""#FFFFFF"">Czech Republic</td> <td align=""center"" bgcolor=""#FFFFFF""><a href=""mailto:dbaro@seznam.cz"">dbaro@seznam.cz</a></td> <td align=""center"" bgcolor=""#FFFFFF"">20</td> <td align=""center"" bgcolor=""#FFFFFF"">Distributor</td> <td align=""center"" bgcolor=""#FFFFFF"">98000203618</td> </tr> <tr> <td height=""27"" align=""center"" bgcolor=""#FFFFFF"">5</td> <td height=""27"" align=""center"" bgcolor=""#FFFFFF"">98000275105</td> <td height=""27"" align=""center"" bgcolor=""#FFFFFF"">Tibor Abel</td> <td align=""center"" bgcolor=""#FFFFFF"">420 777268915</td> <td align=""center"" bgcolor=""#FFFFFF""></td> <td align=""center"" bgcolor=""#FFFFFF""></td> <td align=""center"" bgcolor=""#FFFFFF"">Czech Republic</td> <td align=""center"" bgcolor=""#FFFFFF""><a href=""mailto:abeltibor@gmail.com"">abeltibor@gmail.com</a></td> <td align=""center"" bgcolor=""#FFFFFF"">19</td> <td align=""center"" bgcolor=""#FFFFFF"">Distributor</td> <td align=""center"" bgcolor=""#FFFFFF"">80011630542</td> </tr> </table> </body> </html> <script>window.focus()</script> "; 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