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
Processing...

Test String

Code Generator

Generated Code

using System; using System.Text.RegularExpressions; public class Example { public static void Main() { string pattern = @"(?<OpenTag>[\<]+td[\>]+)(?<Contents>[\w\/\(\)\[\]\.\&\:\;\s]*?)(?<CloseTag>[\<]+[\/]+[td]+[\>]+)"; string input = @"<br /> <span class=""RptTitle""><input id=""chkPromisDataLog"" type=""checkbox"" name=""chkPromisDataLog"" checked=""checked"" onclick=""showOnOffPromisLog();"" /><label for=""chkPromisDataLog"">Promis Processing data log [83508442.1].</label></span> <div id=""divPromisDataLog"" style=""display: none;""> <table id=""tblPromisDataLog"" cellspacing=""0"" cellpadding=""0"" width=""100%"" border=""0"" class=""table""> <tr> <td width=""60%""></td> <td> <a class=""textnormal"" href=""javascript:popwnd=window.open('../Tools/ExportExcel.aspx?KEY=LOT_GEN_PROMIS','popwnd','status=no,toolbar=Yes,menubar=Yes,location=no,scrollbars=yes,resizable=Yes');popwnd.focus()""> Export to Excel </a> </td> </tr> <tr> <td colspan=""2""> <table cellspacing=""0"" rules=""all"" border=""1"" id=""dgPromisDataLog"" style=""border-color: Black; border-collapse: collapse;""> <tr class=""rptDetailsHeaderMgt"" align=""center""> <td>LotID</td> <td>Hist Stage</td> <td>Datein</td> <td>Dateout</td> <td>Qtyin</td> <td>Qtyout</td> <td>M/C ID</td> <td>Emp TrackOut</td> <td>Hold Code</td> <td>Hold Reason</td> <td>Staging (Hrs)</td> </tr> <tr class=""rptDetailsItemMgt"" align=""center"" style=""white-space: nowrap;""> <td>83508442.1</td> <td> <a href=""javascript:popwnd=window.open('LotGen_Dtl.aspx?iDate=04/09/2021 09:07:07 PM&amp;amp;oDate=04/10/2021 03:47:59 PM&amp;amp;oLotid=83508442.1&amp;amp;oStage=C-WFRPROCS&amp;amp;oLastRow=N','popwnd','width=900,height=600,status=no,toolbar=no,menubar=no,location=no,scrollbars=yes,top=100,right=50,left=50');popwnd.focus();"" > C-WFRPROCS </a> </td> <td>4/9/2021 9:07:07 PM</td> <td>4/10/2021 3:47:59 PM</td> <td>0</td> <td>9</td> <td></td> <td>10911700</td> <td>&nbsp;</td> <td>&nbsp;</td> <td>18.68</td> </tr> </table> </td> </tr> </table> </div>"; 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