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

/
/
g

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"<tr[^>]*>[^<]*<td[^>]*>(?<No>[^<]*)<[^>]*>[^>]*>(?<ID_dist>[^<]*)<\/td>[^>]*>(?<Jmeno>[^<]*)<\/td>[^>]*>(?<Tel_Home>[^<]*)<\/td>[^>]*>(?<Tel_Buss>[^<]*)<\/td>[^>]*>(?<Tel_mob>[^<]*)<\/td>[^>]*>(?<Country>[^<]*)<\/td>[^>]*><a[^>]*>(?<Email>[^<]*)[^<]*<\/a>[^<]*<\/td>[^>]*>(?<Levels>[^<]*)<\/td>[^>]*>(?<Pozice>[^<]*)<\/td>[^>]*>(?<Sponzor_ID>[^<]*)<\/td>").unwrap(); let string = " <!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 - Distributors to be Renewed 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\">Distributors to be Renewed List</h2> <p style=\"margin: 10px\">Month: Nov. 2017</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\">98000204732</td> <td height=\"27\" align=\"center\" bgcolor=\"#FFFFFF\">Pavel Kaleta</td> <td align=\"center\" bgcolor=\"#FFFFFF\">420 773512280</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:\"></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\">98000229140</td> <td height=\"27\" align=\"center\" bgcolor=\"#FFFFFF\">Ivana Bilkova</td> <td align=\"center\" bgcolor=\"#FFFFFF\">420 605934970</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:ifcabilkova@seznam.cz\">ifcabilkova@seznam.cz</a></td> <td align=\"center\" bgcolor=\"#FFFFFF\">20</td> <td align=\"center\" bgcolor=\"#FFFFFF\">Distributor</td> <td align=\"center\" bgcolor=\"#FFFFFF\">98000142059</td> </tr> <tr> <td height=\"27\" align=\"center\" bgcolor=\"#FFFFFF\">3</td> <td height=\"27\" align=\"center\" bgcolor=\"#FFFFFF\">98000229289</td> <td height=\"27\" align=\"center\" bgcolor=\"#FFFFFF\">Martina Vitkovska</td> <td align=\"center\" bgcolor=\"#FFFFFF\">420 606629784</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:martinavitkovska@seznam.cz\">martinavitkovska@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\">98000253035</td> <td height=\"27\" align=\"center\" bgcolor=\"#FFFFFF\">Lenka Lovetinska</td> <td align=\"center\" bgcolor=\"#FFFFFF\">420 60598685</td> <td align=\"center\" bgcolor=\"#FFFFFF\">420 567223836</td> <td align=\"center\" bgcolor=\"#FFFFFF\"></td> <td align=\"center\" bgcolor=\"#FFFFFF\">Czech Republic</td> <td align=\"center\" bgcolor=\"#FFFFFF\"><a href=\"mailto:lovetinskal@seznam.cz\">lovetinskal@seznam.cz</a></td> <td align=\"center\" bgcolor=\"#FFFFFF\">20</td> <td align=\"center\" bgcolor=\"#FFFFFF\">Distributor</td> <td align=\"center\" bgcolor=\"#FFFFFF\">98000142059</td> </tr> <tr> <td height=\"27\" align=\"center\" bgcolor=\"#FFFFFF\">5</td> <td height=\"27\" align=\"center\" bgcolor=\"#FFFFFF\">98000253463</td> <td height=\"27\" align=\"center\" bgcolor=\"#FFFFFF\">Filip Korda</td> <td align=\"center\" bgcolor=\"#FFFFFF\">421 902483141</td> <td align=\"center\" bgcolor=\"#FFFFFF\">421 948186144</td> <td align=\"center\" bgcolor=\"#FFFFFF\"></td> <td align=\"center\" bgcolor=\"#FFFFFF\">Slovak Republic</td> <td align=\"center\" bgcolor=\"#FFFFFF\"><a href=\"mailto:korda@sanusvita.sk\">korda@sanusvita.sk</a></td> <td align=\"center\" bgcolor=\"#FFFFFF\">20</td> <td align=\"center\" bgcolor=\"#FFFFFF\">Distributor</td> <td align=\"center\" bgcolor=\"#FFFFFF\">80011633242</td> </tr> <tr> <td height=\"27\" align=\"center\" bgcolor=\"#FFFFFF\">6</td> <td height=\"27\" align=\"center\" bgcolor=\"#FFFFFF\">CZ-03-04277</td> <td height=\"27\" align=\"center\" bgcolor=\"#FFFFFF\">Olga Kostomarova</td> <td align=\"center\" bgcolor=\"#FFFFFF\">420 603160599</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:\"></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> "; // 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/