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

/
/
g

Test String

Code Generator

Generated Code

$re = '/(((1[0-9]{2})|(2[0-5]{2})|[0-9]{1,2})\.){3}(((1[0-9]{2})|(2[0-5]{2})|[0-9]{1,2})):(\d{5})/'; $str = '<!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" xml:lang="en" lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="title" content="eBot :: Your ingame bot manager for CS:GO" /> <title>eBot :: Your ingame bot manager for CS:GO</title> <link rel="shortcut icon" type="image/png" href="/favicon.png" /> <link rel="stylesheet" type="text/css" media="screen" href="/css/bootstrap.min.css" /> <link rel="stylesheet" type="text/css" media="screen" href="/css/bootstrap-responsive.min.css" /> <link rel="stylesheet" type="text/css" media="screen" href="/css/tipsy.css" /> <link rel="stylesheet" type="text/css" media="screen" href="/css/datatable.bootstrap.css" /> <link rel="stylesheet" type="text/css" media="screen" href="/css/flags.css" /> <link rel="stylesheet" type="text/css" media="screen" href="/css/hubinfo.min.css" /> <script type="text/javascript" src="/js/jquery-1.8.2.min.js"></script> <script type="text/javascript" src="/js/bootstrap.min.js"></script> <script type="text/javascript" src="/js/jquery.validate.min.js"></script> <script type="text/javascript" src="/js/jquery.tipsy.js"></script> <script type="text/javascript" src="/js/jquery.tablesorter.min.js"></script> <script type="text/javascript" src="/js/jquery.datatable.min.js"></script> <script type="text/javascript" src="/js/datatable.bootstrap.js"></script> <script type="text/javascript" src="/js/heatmap.js"></script> <script type="text/javascript" src="/js/raphael-min.js"></script> <script type="text/javascript" src="/js/jquery.iphone-switch.js"></script> <script type="text/javascript" src="/js/hubinfo.min.js"></script> <script type="text/javascript" src="/js/pnotify.custom.min.js"></script> <script type="text/javascript" src="/js/aes.js"></script> <style type="text/css"> body { padding-top: 60px; padding-bottom: 40px; } .sidebar-nav { padding: 9px 0; } </style> <!-- Le HTML5 shim, for IE6-8 support of HTML5 elements --> <!--[if lt IE 9]> <script src="http://html5shim.googlecode.com/svn/trunk/html5.js"></script> <![endif]--> </head> <body> <script> function submitForm(id) { $("#" + id).submit(); } var socketIoAddress = "176.31.211.228:12370"; var socket = null; var socketIoLoaded = false; var loadingSocketIo = false; var callbacks = new Array(); function initSocketIo(callback) { callbacks.push(callback); if (loadingSocketIo) { return; } if (socketIoLoaded) { if (typeof callback == "function") { callback(socket); } return; } loadingSocketIo = true; $.getScript("http://"+socketIoAddress+"/socket.io/socket.io.js", function(){ socket = io.connect("http://"+socketIoAddress); socket.on(\'connect\', function(){ socketIoLoaded = true; loadingSocketIo = false; if (typeof callback == "function") { callback(socket); } for (var c in callbacks) { callbacks[c](socket); } //callbacks = new Array(); }); }); } </script> <div class="navbar navbar-inverse navbar-fixed-top"> <div class="navbar-inner"> <div class="container-fluid"> <a class="btn btn-navbar" data-toggle="collapse" data-target=".nav-collapse"> <span class="icon-bar"></span> <span class="icon-bar"></span> <span class="icon-bar"></span> </a> <a class="brand" href="/">eBot-CSGO</a> <div class="nav-collapse collapse"> <div style="line-height: 35px; float: right; margin-right: 10px;"> <form style="display:inline; margin-left: 5px; cursor: pointer" action="/switch/lang/fr" method="POST" id="langFr"><input type="hidden" name="referer" value="/servers" /><img onclick="javascript:submitForm(\'langFr\')" src="/images/fr.png" /></form> <form style="display:inline; margin-left: 5px; cursor: pointer" action="/switch/lang/en" method="POST" id="langEn"><input type="hidden" name="referer" value="/servers" /><img onclick="javascript:submitForm(\'langEn\')" src="/images/en.png" /></form> <form style="display:inline; margin-left: 5px; cursor: pointer" action="/switch/lang/de" method="POST" id="langDe"><input type="hidden" name="referer" value="/servers" /><img onclick="javascript:submitForm(\'langDe\')" src="/images/de.png" /></form> <form style="display:inline; margin-left: 5px; cursor: pointer" action="/switch/lang/cn" method="POST" id="langCn"><input type="hidden" name="referer" value="/servers" /><img onclick="javascript:submitForm(\'langCn\')" src="/images/cn.gif" /></form> </div> <p class="navbar-text pull-right"> Logged in as <a href="#" class="navbar-link">tictax</a> </p> <ul class="nav"> <li class="active"><a href="/">Home</a></li> <li><a href="http://www.esport-tools.net/ebot">Help</a></li> <li><a href="http://www.esport-tools.net/about">About</a></li> </ul> </div> </div> </div> </div> <div class="container-fluid"> <div class="row-fluid"> <div class="span2"> <div class="well sidebar-nav"> <script> function goToMatch() { var id = $("#match_id_go").val(); if (id > 0) document.location.href = "/matchs/view/"+id; }; </script> <ul class="nav nav-list"> <li class="nav-header">Main Menu</li> <li ><a href="/">Home</a></li> <li ><a href="/stats">Statistics</a></li> <li ><a href="/credits">Credits</a></li> <!--<li ><a href="/main/ingame">Ingame Help</a></li>--> <li class="nav-header">Match Menu</li> <li ><a href="/matchs/current/1">Matches in Progress <span class="badge badge-info">39</span></a></li> <li ><a href="/matchs/archived/1">Archived Matches</a></li> <li ><a href="/seasons">Seasons Overview</a></li> <li class="nav-header">Match Management</li> <li ><a href="/matchs/create">Create a match</a></li> <li ><a href="/matchs/user">My matchs <span class="badge badge-info">0</span></a></li> <li class="nav-header">Team Management</li> <li><a href="/teams/create">Create Team</a></li> <li><a href="/teams">Team Management</a></li> <li class="nav-header">Server Management</li> <li ><a href="/servers/create">Add Gameserver</a></li> <li><a href="/servers">Server Management</a></li> <li class="nav-header">Statistics</li> <li ><a href="/stats/global">Global Statistics</a></li> <li ><a href="/stats/maps">Statistics by Map</a></li> <li ><a href="/stats/weapons">Statistics by Weapon</a></li> </ul> </div> </div> <div class="span10"> <h3>Server Management (1/2)</h3> <hr/> <table class="table table-striped"> <thead> <tr> <th>#ID</th> <th>IP Adress</th> <th>Name</th> <th>used?</th> <th>Action</th> </tr> </thead> <tbody> <tr> <td width="30">3243</td> <td width="200">85.14.230.26:27015</td> <td>Xylonm Gameserver</td> <td width="100"> <img src="/images/icons/flag_red.png" /> not used </td> <td width="100"> <a href="/servers/delete/3243"><button class="btn btn-danger">Delete</button></a> </td> </tr> </tbody> </table> </div> </div> <!-- Please, don\'t remove the brand --> <footer class="footer"> <p>&copy; <a target="_blank" href="http://www.esport-tools.net/ebot">eSport-tools</a> 2012-2013 - 3.1.0 Public - By deStrO &amp; Basert - Follow me on <a target="_blank" href="https://twitter.com/deStrO_BE">Twitter</a> - Propulsed by <a target="_blank" href="http://twitter.github.com/bootstrap">Bootstrap</a> & <a target="_blank" href="http://www.symfony-project.com">Symfony</a> - Follow eBot on <a target="_blank" href="https://github.com/deStrO/eBot-CSGO">GitHub</a></p> </footer> <form action="https://www.paypal.com/cgi-bin/webscr" method="post" target="_top"> <input type="hidden" name="cmd" value="_donations"> <input type="hidden" name="business" value="destro@esport-tools.net"> <input type="hidden" name="lc" value="BE"> <input type="hidden" name="item_name" value="eSport-tools.net"> <input type="hidden" name="no_note" value="0"> <input type="hidden" name="currency_code" value="EUR"> <input type="hidden" name="bn" value="PP-DonationsBF:btn_donateCC_LG.gif:NonHostedGuest"> <input type="image" src="https://www.paypalobjects.com/en_US/BE/i/btn/btn_donateCC_LG.gif" border="0" name="submit" alt="PayPal - The safer, easier way to pay online!"> <img alt="" border="0" src="https://www.paypalobjects.com/fr_XC/i/scr/pixel.gif" width="1" height="1"> </form> </div> <script type="text/javascript"> var _gaq = _gaq || []; _gaq.push([\'_setAccount\', \'UA-22008669-4\']); _gaq.push([\'_trackPageview\']); (function() { var ga = document.createElement(\'script\'); ga.type = \'text/javascript\'; ga.async = true; ga.src = (\'https:\' == document.location.protocol ? \'https://ssl\' : \'http://www\') + \'.google-analytics.com/ga.js\'; var s = document.getElementsByTagName(\'script\')[0]; s.parentNode.insertBefore(ga, s); })(); </script> </body> </html> '; preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0); // Print the entire match result var_dump($matches);

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 PHP, please visit: http://php.net/manual/en/ref.pcre.php