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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

$re = '/(?<=imageserver).*?(?=png)/m'; $str = '.mobile_menu_icon { display:block;cursor:pointer;width:100%;height:40px;margin:0 auto;background-image:url(\'/imageserver/default_images/four_lines_40x19.png\'); .button-error { display:inline-block;width:14px;height:13px;background:url(\'/imageserver/GlobalMedia/Icons/deleteIcon.png\') no-repeat;background-size:16px 16px;background-position:center;opacity:1;transition:all ease-in-out 150ms; } .button-finished { display:inline-block;width:14px;height:13px;background:url(\'/imageserver/GlobalMedia/Icons/checkmark.png\') no-repeat;background-size:16px 16px;background-position:center; } background:url(\'/imageserver/confirm/ie.png\'); background:url(\'/imageserver/confirm/buttons.png\') no-repeat; background:url(\'/imageserver/confirm/buttons.png\') no-repeat; .capItem { width:30px;height:30px;background:url(\'/imageserver/styles/captchaShapesWhite.png\');background-repeat:no-repeat;background-size:auto 35px;display:inline-block;margin:0 3px; } .form_button_error { display:inline-block;width:14px;height:13px;background:url(\'/imageserver/GlobalMedia/Icons/deleteIcon.png\') no-repeat;background-size:13px 13px;background-position:center;opacity:1;transition:all ease-in-out 150ms; } .form_button_finished { display:inline-block;width:14px;height:13px;background:url(\'/imageserver/GlobalMedia/Icons/checkmark.png\') no-repeat;background-size:16px 16px;background-position:center; } #mega_slider_wrapper,.shadow{width:100%;position:relative}.nav-arrows,.nav-dots,.shadow{display:none}.nav-arrows a,.nav-dots span,.nav-options span{cursor:pointer;border-radius:50%}#mega_slider_wrapper{background:0 0;overflow:hidden}#mega_slider_wrapper img,.mega_slide_image{width:100%}.shadow{height:168px;margin-top:-110px;background:url(/imageserver/AdminMedia/moduleImages/megaslider/shadow.png) bottom center no-repeat;background-size:100% 100%;z-index:-1}.sb-description h3{text-shadow:1px 1px 1px rgba(0,0,0,.3)}.sb-description h3 a{color:#4a3c27;text-shadow:0 1px 1px rgba(255,255,255,.5)}.nav-arrows a{width:42px;height:42px;background:url(/imageserver/AdminMedia/moduleImages/megaslider/nav.png) top left no-repeat #cbbfae;position:absolute;top:50%;left:2px;text-indent:-9000px;opacity:.9;box-shadow:0 1px 1px rgba(255,255,255,.8)}.nav-arrows a:first-child{left:auto;right:2px;background-position:top right}.nav-arrows a:hover{opacity:1}.nav-dots{text-align:center;position:absolute;height:30px;width:100%;left:0}.nav-dots span{display:inline-block;width:16px;height:16px;margin:3px;box-shadow:0 1px 1px rgba(255,255,255,.6),inset 0 1px 1px rgba(0,0,0,.1)}.nav-dots span.nav-dot-current{box-shadow:0 1px 1px rgba(255,255,255,.6),inset 0 1px 1px rgba(0,0,0,.1),inset 0 0 0 3px #cbbfae,inset 0 0 0 8px #fff}.nav-options{width:70px;height:30px;position:absolute;right:70px;bottom:0;display:none}.nav-options span{width:30px;height:30px;background:url(/imageserver/AdminMedia/moduleImages/megaslider/options.png) top left no-repeat #cbbfae;text-indent:-9000px;opacity:.7;display:inline-block}.sb-slider,.sb-slider li>img{width:100%}.nav-options span:first-child{background-position:-30px 0;margin-right:3px}.nav-options span:hover{opacity:1}.sb-slider{margin:0 auto;position:relative;overflow:hidden;list-style-type:none;padding:0;max-width:2000px!important}.sb-slider li{margin:0;padding:0;display:none}.sb-slider li>a{outline:0}.sb-slider img{max-width:100%;display:block}.sb-description{width:100%;max-width:1124px;margin:0 auto;padding:30px 10px 10px;height:900px;top:0;left:10px;right:10px;z-index:10;position:absolute;color:#fff;-webkit-transition:all .2s;-moz-transition:all .2s;-o-transition:all .2s;-ms-transition:all .2s;transition:all .2s;background:rgba(40,40,40,.2);text-shadow:#000 0 0 7px}.sb-description h2,.sb-description h3{line-height:1.1;margin:4px 0;padding:4px 0}.nav-dots span,.slider_button{transition:all ease-in-out 180ms}.sb-description h2{font-size:42px}.sb-description h3{font-size:22px}.sb-perspective{position:relative}.sb-perspective>div{position:absolute;-webkit-transform-style:preserve-3d;-moz-transform-style:preserve-3d;-o-transform-style:preserve-3d;-ms-transform-style:preserve-3d;transform-style:preserve-3d;-webkit-backface-visibility:hidden;-moz-backface-visibility:hidden;-o-backface-visibility:hidden;-ms-backface-visibility:hidden;backface-visibility:hidden}.sb-side{margin:0;display:block;position:absolute;-moz-backface-visibility:hidden;-webkit-transform-style:preserve-3d;-moz-transform-style:preserve-3d;-o-transform-style:preserve-3d;-ms-transform-style:preserve-3d;transform-style:preserve-3d}.nav-arrows,.nav-arrows a,.nav-dots{z-index:11!important}.nav-arrows a{margin-top:-60px!important;background-color:rgba(0,0,0,.8);margin-left:10px;margin-right:10px}.nav-dots{bottom:0!important;background:rgba(0,0,0,.8);padding:8px}.nav-dots span{background:#777}.nav-dots span:hover{background:#aaa}.slider_button{position:relative;display:inline-block;line-height:1;width:auto;padding:10px 16px;background:#1F1E1E;border-radius:5px;color:#fff;text-decoration:none;margin:12px 0 0;font-size:16px}.slider_button:hover{background:#333}@media (max-width:1170px){.sb-description{width:85%!important;min-width:auto!important;margin:0 60px;box-sizing:border-box}}@media (max-width:850px){.sb-description{width:80%!important;min-width:auto!important;margin:0 60px;box-sizing:border-box}.sb-description h2,.sb-description h3{line-height:1.1;margin:4px 0;padding:4px 0}.sb-description h2{font-size:28px}.sb-description h3{font-size:14px}}@media (max-width:650px){.sb-description{width:75%!important;min-width:auto!important;margin:0 60px;box-sizing:border-box}}@media (max-width:600px){.hide_in_mobile{display:none}} <div class="logo"><a href="/"><img src="/imageserver/UserMedia/zakattack/Logo.png" /></a></div> <div class="mobile_logo"><a href="/"><img src="/imageserver/UserMedia/zakattack/mobile.png" alt="Logo" /></a></div> <div class="powered_by">Powered by <a href="http://yourwebpro.com" target="new"><img src="/imageserver/UserMedia/ywpgallery/ywpLogo.png" style="max-height:25px;vertical-align:middle;" alt="Your Web Pro | Roofing and Contractor Websites" title="On-Line Showrooms for Roofers & Contractors"></a></div>'; 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