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

Language

Generated Code

// include the latest version of the regex crate in your Cargo.toml extern crate regex; use regex::Regex; fn main() { let regex = Regex::new(r"(?m)(?<OpenTag>[\<]+td[\>]+)(?<Contents>[\w\/\(\)\[\]\.\&\:\;\s]*?)(?<CloseTag>[\<]+[\/]+[td]+[\>]+)").unwrap(); let string = "<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>"; // result will be an iterator over tuples containing the start and end indices for each match in the string let result = regex.captures_iter(string); for mat in result { println!("{:?}", mat); } }

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 Rust, please visit: https://docs.rs/regex/latest/regex/