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

/
/
s

Test String

Code Generator

Language

Generated Code

re = /><b>(.*)<\/b><\/a><\/td>/ str = '><b>MARTiiNEZ</b></a></td> <td>30</td> <td> El Patrón (6) </td> <td> <font color="red">offline</font> </td> </tr> <tr> <td><a href="https://nes-newlife.de/profile/index/124"><b>Poison</b></a></td> <td>32</td> <td> El dirigente (5) </td> <td> <font color="red">offline</font> </td> </tr> <tr> <td><a href="https://nes-newlife.de/profile/index/1333"><b>KaliboOM</b></a></td> <td>28</td> <td> La Junta del Cartel (4) </td> <td> <font color="red">offline</font> </td> </tr> <tr> <td><a href="https://nes-newlife.de/profile/index/5013"><b>roY.</b></a></td> <td>19</td> <td> La Junta del Cartel (4) </td> <td> <font color="red">offline</font> </td> </tr> <tr> <td><a href="https://nes-newlife.de/profile/index/5978"><b>PYREX</b></a></td> <td>33</td> <td> La Junta del Cartel (4) </td> <td> <font color="green">online</font> </td> </tr> <tr> <td><a href="https://nes-newlife.de/profile/index/22462"><b>BaticZ</b></a></td> <td>13</td> <td> La Junta del Cartel (4) </td> <td> <font color="red">offline</font> </td> </tr> <tr> <td><a href="https://nes-newlife.de/profile/index/24019"><b>FCKYEAAH</b></a></td> <td>5</td> <td> La Junta del Cartel (4) </td> <td> <font color="red">offline</font> </td> </tr> <tr> <td><a href="https://nes-newlife.de/profile/index/4559"><b>Carbon</b></a></td> <td>20</td> <td> El Barón de drogas (3) </td> <td> <font color="green">online</font> </td> </tr> <tr> <td><a href="https://nes-newlife.de/profile/index/132"><b>Costa</b></a></td> <td>12</td> <td> Narco traficante (2) </td> <td> <font color="red">offline</font> </td> </tr> <tr> <td><a href="https://nes-newlife.de/profile/index/28512"><b>diabolo</b></a></td> <td>5</td> <td> Narco traficante (2) </td> <td> <font color="red">offline</font> </td> </tr> <tr> <td><a href="https://nes-newlife.de/profile/index/28933"><b>STEVE</b></a></td>' # Print the match result str.match(re) do |match| puts match.to_s end

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 Ruby, please visit: http://ruby-doc.org/core-2.2.0/Regexp.html