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

/
/
gm

Test String

Code Generator

Generated Code

$re = '/(?x)(<html[\S\s]*?<\/h1>)(*SKIP)(*F)|(<p[^>]*>[\S\s]*?uses\]<\/p>)(*SKIP)(*F)|(<[\S\s]*?>)(*SKIP)(*F)|(E-mail)(*SKIP)(*F)|(<h6[^<>]*>.*?<\/h6>)(*SKIP)(*F)|(A-Z)(*SKIP)(*F)|(<a\s[^>]*href.*?<\/a>)(*SKIP)(*F)|(2009-2024)(*SKIP)(*F)|(<style[\S\s]*?<\/style>)(*SKIP)(*F)|(<script[\S\s]*?<\/script>)(*SKIP)(*F)|\w+\(/m'; $str = '<!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <META name="viewport" content="width=device-width, initial-scale=1"> <title>Homeopathic medicine, Homeopathic remedies, ACONITUM NAPELLUS</title> <META name="description" content="ACONITUM NAPELLUS"> <META name="keywords" content="Homeopathic medicine Bangalore, Homeopathic remedies Bangalore, ACONITUM NAPELLUS"> <META name="robots" content="index, follow" /> <META name="google-site-verification" content="B5jrpKjfHEj--_J-rT51c3CG8zg1sY_ZRQAbqQ1oN5Q"> <link href="css/style.css" rel="stylesheet" type="text/css" media="all"> <link href="https://www.cure4incurables.in/css/bootstrap.min.css" rel="stylesheet"> <link href="https://www.cure4incurables.in/css/style1.css" rel="stylesheet"> <link href="css/style.css" rel="stylesheet" type="text/css" media="all"> <link rel="stylesheet" type="text/css" href="engine1/style.css" media="screen"> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css"> </head> <body style="color: rgb(0, 0, 0);" alink="#ee0000" link="#0000ee" vlink="#551a8b"> <!-- The above 3 meta tags *must* come first in the head; any other head content must come *after* these tags --><!-- Bootstrap --><!-- HTML5 shim and Respond.js for IE8 support of HTML5 elements and media queries --><!-- WARNING: Respond.js doesn\'t work if you view the page via file:// --><!--[if lt IE 9]> <script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script> <script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script> <![endif]-->&nbsp; <!-- Start WOWSlider.com HEAD section --><!-- End WOWSlider.com HEAD section --><!--body wrapper--> <div class="container"> <div class="container1"> <div class="sticky"> Bangalore based polyclinic offering treatments in modern medicine, homoeopathy, ayurveda, naturopathy, hypnotherapy, healing and meditation, etc. </div> <!--navigation --><nav class="navbar navbar-default"><!-- Brand and toggle get grouped for better mobile display --> <div class="row"> <div class="navbar-header"><!-- a class="navbar-brand" href="index.html" --><!-- Collect the nav links, forms, and other content for toggling --><a class="navbar-brand" href="index.html" style="text-decoration: none; color: rgb(46, 150, 226);"><img src="https://www.cure4incurables.in/images/logo.png" alt="Logo" class="responsive"></a></div><!-- div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1" --> <!-- div class="container" --> <div><div class="translate" id="google_translate_element" style="text-align: right; margin-right: 0.2in;"><p class="translate" style="font-size: 15px; color: black; line-height: 18px; font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; background-color: transparent; font-family: Verdana; text-align: right;"><strong><span style="color: blue;">ಭಾಷೆ ಬದಲಾಯಿಸಲು ಕೆಳಗೆ ಕ್ಲಿಕ್ ಮಾಡಿ:</span><br><span style="color: navy;">भाषा बदलने के लिए, नीचे क्लिक करें:-</span></strong> </p></div> <ul class="topnav" id="myTopnav" style="padding: 0px; margin-left: 0.2in; margin-right: 0.2in; list-style-type: none; list-style-image: none; list-style-position: outside; vertical-align: middle; font-family: &quot;Segoe UI&quot;; font-size: 16px; background-color: #87cefa;"> <li class="links"><a style="color: black;" href="#">Links:</a></li> <li class="links"><a style="color: black;" href="index.html">Home</a></li> <li class="links"><a style="color: black;" href="About-a-cure-for-incurables-clinic.html">About Us</a></li> <li class="links"><a style="color: black;" href="Our-Services.html">Our Services</a></li> <li class="links"> <a style="color: black;" href="homeopathy-treatment.html">Homeopathy</a></li> <li class="links"><a style="color: black;" href="testimonials.html">Testimonials</a></li> <li class="links"><a style="color: black;" href="Biz-Offers.html">Biz Offers</a></li> <li class="links"><a style="color: black;" href="Contact-Us.html">Contact Us</a></li> <li class="links"><a style="color: black;" href="enquiry.html">Enquiry</a></li> <!--</li> --><li class="icon"> <a style="margin-top: -5px;" href="#" id="toggle"><big><big>&#x25BC;</big></big></a></li></ul></div></div> </nav><!-- /.navbar-collapse --><!-- /.container-fluid --><!-- /.nav --><!--Header Ends--><!--body content--> <div style=""><!--slider--> <div id="carousel-example-generic" class="carousel slide" data-ride="carousel"><!-- Indicators --><!-- Wrapper for slides --> <div class="carousel-inner"></div> <!-- Controls --></div> <!-- end slider--><br> <!-- div id="container" --> <div id="right"><!-- div class="row add-top" --><!-- div class="col-md-9 col-sm-9" --><!-- div class="bodycont" --><!-- div class="body-right" --><!-- div class="bodycont" --> <div class="quickcontact"><!-- div class="body-right" --><!-- div class="body-right-title" --> <div class="row add-top"> <div class="col-md-9 col-sm-9"> <div class="bodycont"> <h1>ACONITUM NAPELLUS [Acon]</h1> <p style="color: black; font-family: Verdana,sans-serif; font-size: 18px; font-style: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; display: inline ! important; float: none;">ACONITUM NAPELLUS uses [Acon uses]</p> <p class=MsoNormal><span style=\'font-size:13.5pt;line-height:115%;font-family: "Verdana","sans-serif";color:black;mso-themecolor:text1\'>Note: Wherever it is found, &quot;&lt;&quot; denotes aggravation (worse by), &quot;&gt;&quot; denotes amelioration (better by), &quot;&lt;-&gt;&quot; denotes alternation (alternates with) and A/F is an abbreviation of, &quot;Ailments from&quot;</span> </p> <div style="margin-bottom:-15px;width:100%;background-color:#EBF4FB;"> <p class=MsoNormal style=\'margin-bottom:12.0pt;line-height:normal\'><span style=\'font-size:13.5pt;font-family:"Verdana","sans-serif";mso-fareast-font-family: "Times New Roman";mso-bidi-font-family:"Times New Roman";color:#075296\'>Terror, anxiety, agonizing fear, restless, excited, nervous, impatient<br><br> Sudden, violently acute, painful effects. Congestions. Inflammation. Haemorrhages<br><br> Sticking, tearing pains with numbness. Burning thirst. High fever</span></p> </div> <div class="container"> <div class="left"> <p class=MsoNormal style=\'margin-bottom:0in;margin-bottom:.0001pt;line-height: normal\'><b><span style=\'font-size:13.5pt;font-family:"Verdana","sans-serif"; mso-fareast-font-family:"Times New Roman";mso-bidi-font-family:"Times New Roman"; color:red\'>REMEDY RELATIONSHIPS</span></b> </p> </div> <div class="right"> <p class=MsoNormal style=\'margin-bottom:0in;margin-bottom:.0001pt;line-height: normal\'><b><span style=\'font-size:13.5pt;font-family:"Verdana","sans-serif"; mso-fareast-font-family:"Times New Roman";mso-bidi-font-family:"Times New Roman"; color:black\'>Complements: </span></b><span style=\'font-size:13.5pt; font-family:"Verdana","sans-serif";mso-fareast-font-family:"Times New Roman"; mso-bidi-font-family:"Times New Roman";color:black\'>Arn, Coff, Sulph<br> <br> <b>Follows Well: </b>Ars, Bell, Bry, Calc, Hep, Ip, Lyc, Merc, Nux-v, Phos, Puls, Rhus, Sep, Spong<br> <br> <b>Compare: </b>Bell, Cann-i, Cham, Cocc, Con, Dulc<br> <br> <b>Antidoted By: </b>Acet-ac, Cham, Cimic, Coff, Nux-v, Par, Petr, Sep, Sulph(Brimstone)<br> <br> <b>It Antidotes: </b>Arn, Aspin, Astac, Bell, Bry, Cact, Canth, Cham, Chel, Cit-v, Coff, Croc, Dol, Glon, Graph, Kalm, Kreos, Lyc, Merc-p, Mez, Morph, Nux-v, Petr, Sep, Sol, Spong, Stry, Sulph, Ther, Verat, Vib-p</span> </p> </td> </tr> </table> </div> </div> </div> </div> <div class="col-md-3 col-sm-3"> <div class="bodycont"> <div class="quickcontact"> <h6>Specializations</h6> <ul class="list-unstyled"> <li><a href="modern-medicine.html" title="Modern Medicine| Modern Medicine Bangalore">Modern Medicine</a></li> <li> <a href="homeopathy-treatment.html" title="Homeopathy treatment| Homeopathy treatment Bangalore">Homeopathy treatment</a> </li> <li><a href="homeopathy-doctor.html" title="Homeopathy Doctor| Homeopathy Doctor Bangalore">Homeopathy Doctor</a></li> <li> <a href="6_Cancer.html" title="Homeopathy Cancer| Homeopathy Cancer Bangalore">Cancer</a></li> <li><a href="hiv-aids.html" title="Homeopathy HIV AIDS| Homeopathy HIV AIDS Bangalore">HIV / AIDS</a></li> <li><a href="ayurveda.html" title="Ayurveda| Ayurveda Bangalore">Ayurveda</a></li> <li><a href="naturopathy.html" title="Naturopathy| Naturopathy Bangalore">Naturopathy</a> </li> <li><a href="hypnotherapy.html" title="Hypnotherapy| Hypnotherapy Bangalore">Hypnotherapy</a> </li> <li><a href="Meditation.html" title="Meditation| Meditation Bangalore">Meditation</a></li> </ul> <div class="quickcontact"> <h6>Remedies A-Z</h6> </div> <div style="margin: 2px; overflow: scroll; height: 275px; padding-top: 2px;"><!-- div id="collapse1" class="panel-collapse collapse" --> <ul class="list-unstyled"> <li><a href="Abies-Canadensis.html">Abies Canadensis</a></li> <li><a href="Abies-Nigra.html">Abies Nigra</a></li> <li><a href="Abrotanum.html">Abrotanum</a></li> <li><a href="Acalypha-Indica.html">Acalypha Indica</a></li> <li><a href="Aceticum-Acidum.html">Aceticum Acidum</a></li> <li><a href="ACONITUM-NAPELLUS.html">Aconitum Napellus</a></li> </ul> </div> <div class="quickcontact"> <h6>Diseases &amp; Conditions</h6> </div> <div style="margin: 2px; overflow: scroll; height: 275px; padding-top: 2px;"> <ul class="list-unstyled"> <li><a href="acne.html">Acne or Pimples</a></li> <li><a href="pimples.htm">Zits</a></li> </ul> </div> </div> </div> </div> </div> </div> </div> <!-- end wrapper--><!--body content ends--><!--footer--> <div class="clear"></div> <br><footer style="width: 100%; height: auto;" class="panel-footer footer add-top"> <div style="width: 100%; height: auto;" class="container"><div style="width: 100%; height: auto; background-color: transparent;" class="col-md-12 col-sm-12"><a href="index.html"> Home</a> |<a href="About-a-cure-for-incurables-clinic.html"> About Us</a>|<a href="101_Dr.Ramanand-j-v.html"> Dr Ramaanand</a> |<a href="Our-Services.html"> Our Services</a>| <a href="homeopathy-doctor.html"> Homeopathy Doctor</a> | <a href="Homeopathy-clinic.html"> Homeopathy Clinic</a> |<a href="testimonials.html"> Testimonials</a> |<a href="homoeopathy.html"> Homoeopathy</a> | <a href="defending-homeopathy.html"> Defending Homeopathy</a> |<a href="Biz-Offers.html"> Biz offers</a> |<a href="Contact-Us.html"> Contact Us</a></div> </div> </footer> <div class="footer-btm"> <div class="container"> <div class="col-md-12 col-sm-12 text-center"> A Cure for Incurables Clinic &copy; 2009-2024 | All Rights Reserved.</div> </div> </div> <!-- to top--><a href="#" class="cd-top">Top</a> <button class="button-top"><i class="fa fa-chevron-up"></i></button> <!-- jQuery (necessary for Bootstrap\'s JavaScript plugins) --> <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script> <!-- Include all compiled plugins (below), or include individual files as needed --> <script src="js/bootstrap.min.js"></script> <script src="js/backtotop.js"></script> <script type="text/javascript" src="js/function.js"></script> <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <style type="text/css"> p.translate { display: none;} @media only screen and (min-width : 320px) and (max-width : 861px){ p.translate { display: inline; } } ul.topnav { list-style-type: none; margin: 0; padding: 6px; overflow: hidden; background-color: #87cefa; } ul.topnav li { float: left; } ul.topnav li a { display: inline-block; color: #f2f2f2; text-align: center; padding: 0px 3px; text-decoration: none; transition: 0.3s; font-size: 16px; } ul.topnav li a:hover { background-color: #0000FF; color: white !important; } ul.topnav li.icon { display: none; } @media screen and (max-width:1180px) { ul.topnav li:not(:first-child) { display: none; } ul.topnav li.icon { float: left; display: inline-block; } } @media screen and (max-width:680px) { div.translate { margin-top: 3%; } ul.topnav.responsive { position: relative; } ul.topnav.responsive li.icon { position: absolute; right: 0; top: 0; } ul.topnav.responsive li { float: none; display: inline; } ul.topnav.responsive li a { display: block; text-align: left; } } .button-top { position: fixed; bottom: 20px; right: 20px; z-index: 100; width: 40px; height: 40px; border: 0; border-radius: 2px; box-shadow: none; background: rgba(0, 196, 242, 0.3); color: white; font-size: 26px; line-height: 20px; text-align: center; cursor: pointer; } .button-top { ...previous code pointer-events: none; opacity: 0; transition: opacity .18s ease; } .button-top-visible { opacity: 1; pointer-events: auto; } ul.list-unstyled li { font-size: 16px; } .table_wrapper { display: block; width: max-content; max-width: 100%; overflow: auto; resize: horizontal; border: 0px solid black; } @media screen and (max-width: 600px) { p.translate { display: inline; } } .container { display: flex; } .container > div {} } .left { width: 150px; border-width:1px; border-style:solid; border-color:lightblue; padding-top:10px; } .right { width: 150px; border-width:1px; border-style:solid; border-color:lightblue; } @media (max-width: 480px) { .left { width: 150px; border-width:1px; border-style:solid; border-color:lightblue; padding-top:10px; } .right { width: 145px; border-top:1px solid lightblue; li { margin-left: -30px; } li div.marginleft { margin-left: -6px; } } } @media (min-width: 481px) and (max-width: 767px) { .left { width: 175px; border-width:1px; border-style:solid; border-color:lightblue; padding-top:10px; } .right { width: 250px; border-width:1px; border-style:solid; border-color:lightblue; } } @media (min-width: 768px) and (max-width: 1024px) { .left { width: 180px; border-width:1px; border-style:solid; border-color:lightblue; padding-top:10px; } .right { width: 360px; border-width:1px; border-style:solid; border-color:lightblue; } } @media (min-width: 1025px) and (max-width: 1280px) { .left { width: 180px; border-width:1px; border-style:solid; border-color:lightblue; padding-top:10px; } .right { width: 520px; border-width:1px; border-style:solid; border-color:lightblue; } } @media (min-width: 1281px) { .left { width: 180px; border-width:1px; border-style:solid; border-color:lightblue; padding-top:10px; } .right { width: 560px; border-width:1px; border-style:solid; border-color:lightblue; margin-top:0px; } } </style> <script> $(function() { $(\'.links\').on("click", function() { $("#myTopnav").removeClass("responsive"); }); $("#toggle").on("click", function() { const $nav = $("#myTopnav"); $nav.toggleClass("responsive"); $(this).html( $nav.hasClass("responsive") ? "<big><big>&#x2715;</big></big>" : "<big><big>&#x25BC;</big></big>" ) }); }); </script> <div id="google_translate_element"></div> <script type="text/javascript"> function googleTranslateElementInit() { new google.translate.TranslateElement({pageLanguage: \'en\'}, \'google_translate_element\'); } </script> <script> jQuery(function ($) { var $window = $(window); var $buttonTop = $(\'.button-top\'); $buttonTop.on(\'click\', function () { $(\'html, body\').animate({ scrollTop: 0, }, 400); }); $window.on(\'scroll\', function () { if ($window.scrollTop() > 300) { // 300 is our threshold in pixels $buttonTop.addClass(\'button-top-visible\'); } else { $buttonTop.removeClass(\'button-top-visible\'); } }); }); </script> <script type="text/javascript" src="https://translate.google.com/translate_a/element.js? cb=googleTranslateElementInit"> </script> <script type="text/javascript" src="engine1/jquery.js"></script> </div> </div> </div> </div> </div> </div> </body> </html>'; preg_match_all($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